Alberto Ferlin

Affiliations
  • Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.

Publications (77)

Health-Related Lifestyles, Substance-Related Behaviors, and Sexual Habits Among Italian Young Adult Males: An Epidemiologic Study.

Sexual medicine
Avec: Luca Flesia , Francesca Cavalieri , Stefano Angelini , Gioia Bottesi , Marta Ghisi , Enrico Tonon , Agustina Perez Roldan , Andrea Di Nisio , Andrea Garolla , Alberto Ferlin , Carlo Foresta

Protein Markers in Osteoporosis.

Protein and peptide letters
Avec: Teresa Porcelli , Letizia Pezzaioli , Andrea Delbarba , Filippo Maffezzoni , Carlo Cappelli , Alberto Ferlin

Biomarkers of Acromegaly and Growth Hormone Action.

Protein and peptide letters
Avec: Filippo Maffezzoni , Teresa Porcelli , Andrea Delbarba , Letizia Pezzaioli , Carlo Cappelli , Alberto Ferlin

Treatment of Acromegalic Osteopathy in Real-life Clinical Practice: The BAAC (Bone Active Drugs in Acromegaly) Study.

The Journal of clinical endocrinology and metabolism
Avec: Gherardo Mazziotti , Claudia Battista , Filippo Maffezzoni , Sabrina Chiloiro , Emanuele Ferrante , Nunzia Prencipe , Ludovica Grasso , Federico Gatto , Roberto Olivetti , Maura Arosio , Marco Barale , Antonio Bianchi , Miriam Cellini , Iacopo Chiodini , Laura De Marinis , Giulia Del Sindaco , Carolina Di Somma , Alberto Ferlin , Ezio Ghigo , Antonella Giampietro , Silvia Grottoli , Elisabetta Lavezzi , Giovanna Mantovani , Emanuela Morenghi , Rosario Pivonello , Teresa Porcelli , Massimo Procopio , Flavia Pugliese , Alfredo Scillitani , Andrea Gerardo Lania

INSL3 in the muscolo-skeletal system.

Molecular and cellular endocrinology
Avec: Luca De Toni , Alexander I Agoulnik , Marco Sandri , Carlo Foresta , Alberto Ferlin

The impact of diabetes mellitus type 1 on male fertility: Systematic review and meta-analysis.

Andrology
Avec: Paolo Facondo , Elena Di Lodovico , Andrea Delbarba , Valentina Anelli , Letizia Chiara Pezzaioli , Erica Filippini , Carlo Cappelli , Giovanni Corona , Alberto Ferlin

Hypogonadism and bone health in men with HIV.

The lancet. HIV
Avec: Filippo Maffezzoni , Teresa Porcelli , Andrea Delbarba , Letizia Chiara Pezzaioli , Martina Properzi , Carlo Cappelli , Francesco Castelli , Maria Eugenia Quiros-Roldan , Alberto Ferlin

Ultrasound of benign thyroid nodules: A 120 months follow-up study.

Clinical endocrinology
Avec: Carlo Cappelli , Ilenia Pirola , Elena Gandossi , Mario Rotondi , Claudio Casella , Davide Lombardi , Barbara Agosti , Alberto Ferlin , Maurizio Castellano

Testosterone, Hypogonadism, and Heart Failure.

Circulation. Heart failure
Avec: Elena Di Lodovico , Paolo Facondo , Andrea Delbarba , Letizia Chiara Pezzaioli , Filippo Maffezzoni , Carlo Cappelli , Alberto Ferlin

Management of male factor infertility: position statement from the Italian Society of Andrology and Sexual Medicine (SIAMS) : Endorsing Organization: Italian Society of Embryology, Reproduction, and Research (SIERR).

Journal of endocrinological investigation
Avec: A Ferlin , A E Calogero , C Krausz , F Lombardo , D Paoli , R Rago , C Scarica , M Simoni , C Foresta , V Rochira , E Sbardella , S Francavilla , G Corona

Usefulness of routine assessment of free testosterone for the diagnosis of functional male hypogonadism.

The aging male : the official journal of the International Society for the Study of the Aging Male
Avec: Paolo Facondo , Elena Di Lodovico , Letizia Chiara Pezzaioli , Carlo Cappelli , Alberto Ferlin , Andrea Delbarba

Association Study between Polymorphisms in DNA Methylation-Related Genes and Testicular Germ Cell Tumor Risk.

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology
Avec: Chiara Grasso , Maja Popovic , Elena Isaevska , Fulvio Lazzarato , Valentina Fiano , Daniela Zugna , John Pluta , Benita Weathers , Kurt D'Andrea , Kristian Almstrup , Lynn Anson-Cartwright , D Timothy Bishop , Stephen J Chanock , Chu Chen , Victoria K Cortessis , Marlene D Dalgaard , Siamak Daneshmand , Alberto Ferlin , Carlo Foresta , Megan N Frone , Marija Gamulin , Jourik A Gietema , Mark H Greene , Tom Grotmol , Robert J Hamilton , Trine B Haugen , Russ Hauser , Robert Karlsson , Lambertus A Kiemeney , Davor Lessel , Patrizia Lista , Ragnhild A Lothe , Chey Loveday , Coby Meijer , Kevin T Nead , Jérémie Nsengimana , Rolf I Skotheim , Clare Turnbull , David J Vaughn , Fredrik Wiklund , Tongzhang Zheng , Andrea Zitella , Stephen M Schwartz , Katherine A McGlynn , Peter A Kanetsky , Katherine L Nathanson , Lorenzo Richiardi

Standards in semen examination: publishing reproducible and reliable data based on high-quality methodology.

Human reproduction (Oxford, England)
Avec: Lars Björndahl , Christopher L R Barratt , David Mortimer , Ashok Agarwal , Robert J Aitken , Juan G Alvarez , Natalie Aneck-Hahn , Stefan Arver , Elisabetta Baldi , Lluís Bassas , Florence Boitrelle , Riana Bornman , Douglas T Carrell , José A Castilla , Gerardo Cerezo Parra , Jerome H Check , Patricia S Cuasnicu , Sally Perreault Darney , Christiaan de Jager , Christopher J De Jonge , Joël R Drevet , Erma Z Drobnis , Stefan S Du Plessis , Michael L Eisenberg , Sandro C Esteves , Evangelini A Evgeni , Alberto Ferlin , Nicolas Garrido , Aleksander Giwercman , Ilse G F Goovaerts , Trine B Haugen , Ralf Henkel , Lars Henningsohn , Marie-Claude Hofmann , James M Hotaling , Piotr Jedrzejczak , Pierre Jouannet , Niels Jørgensen , Jackson C Kirkman Brown , Csilla Krausz , Maciej Kurpisz , Ulrik Kvist , Dolores J Lamb , Hagai Levine , Kate L Loveland , Robert I McLachlan , Ali Mahran , Liana Maree , Sarah Martins da Silva , Michael T Mbizvo , Andreas Meinhardt , Roelof Menkveld , Sharon T Mortimer , Sergey Moskovtsev , Charles H Muller , Maria José Munuce , Monica Muratori , Craig Niederberger , Cristian O'Flaherty , Rafael Oliva , Willem Ombelet , Allan A Pacey , Michael A Palladino , Ranjith Ramasamy , Liliana Ramos , Nathalie Rives , Eduardo Rs Roldan , Susan Rothmann , Denny Sakkas , Andrea Salonia , Maria Cristina Sánchez-Pozo , Rosanna Sapiro , Stefan Schlatt , Peter N Schlegel , Hans-Christian Schuppe , Rupin Shah , Niels E Skakkebæk , Katja Teerds , Igor Toskin , Herman Tournaye , Paul J Turek , Gerhard van der Horst , Monica Vazquez-Levin , Christina Wang , Alex Wetzels , Theodosia Zeginiadou , Armand Zini

Plasma metabolomics in male primary and functional hypogonadism.

Frontiers in endocrinology
Avec: Giuseppe Grande , Luca De Toni , Andrea Garolla , Domenico Milardi , Alberto Ferlin

The complex relation between obstructive sleep apnoea syndrome, hypogonadism and testosterone replacement therapy.

Frontiers in reproductive health
Avec: Andrea Graziani , Giuseppe Grande , Alberto Ferlin

The Italian Society of Andrology and Sexual Medicine (SIAMS), along with ten other Italian Scientific Societies, guidelines on the diagnosis and management of erectile dysfunction.

Journal of endocrinological investigation
Avec: G Corona , D Cucinotta , G Di Lorenzo , A Ferlin , V A Giagulli , L Gnessi , A M Isidori , M I Maiorino , P Miserendino , A Murrone , R Pivonello , V Rochira , G M Sangiorgi , G Stagno , C Foresta , A Lenzi , M Maggi , E A Jannini

Experimental evidence of a limited impact of new-generation perfluoroalkyl substance C6O4 on differentiating human dopaminergic neurons from induced pluripotent stem cells.

Toxicology reports
Avec: Andrea Di Nisio , Marta Trevisan , Stefano Dall'Acqua , Micaela Pannella , Claudia Pappalardo , Alberto Ferlin , Carlo Foresta , Luca De Toni

Communication of the diagnosis to Klinefelter subjects: an observational study on a key moment of the patient's life.

Journal of endocrinological investigation
Avec: A Garolla , M Kiesswetter , S Angelini , F Cavalieri , C Foresta , M Panzeri , A Ferlin

Positive effect of nutraceuticals on sperm DNA damage in selected infertile patients with idiopathic high sperm DNA fragmentation.

Minerva endocrinologica
Avec: Andrea Delbarba , Nicola Arrighi , Paolo Facondo , Carlo Cappelli , Alberto Ferlin

Prevalence and determinants of radiological vertebral fractures in patients with Klinefelter syndrome.

Andrology
Avec: Walter Vena , Alessandro Pizzocaro , Rita Indirli , Myriam Amer , Filippo Maffezzoni , Andrea Delbarba , Lorenzo Leonardi , Luca Balzarini , Fabio M Ulivieri , Alberto Ferlin , Giovanna Mantovani , Andrea G Lania , Emanuele Ferrante , Gherardo Mazziotti

Ultrasound Microvascular Blood Flow Evaluation: A New Tool for the Management of Thyroid Nodule?

International journal of endocrinology
Avec: Carlo Cappelli , Ilenia Pirola , Elena Gandossi , Fiorella Marini , Alessandra Cristiano , Claudio Casella , Davide Lombardi , Barbara Agosti , Alberto Ferlin , Maurizio Castellano

The importance of SHBG and calculated free testosterone for the diagnosis of symptomatic hypogonadism in HIV-infected men: a single-centre real-life experience.

Infection
Avec: Letizia Chiara Pezzaioli , Eugenia Quiros-Roldan , Simone Paghera , Teresa Porcelli , Filippo Maffezzoni , Andrea Delbarba , Melania Degli Antoni , Carlo Cappelli , Francesco Castelli , Alberto Ferlin

Thyroid scintigraphy in the era of fine-needle aspiration cytology.

Clinical endocrinology
Avec: Ilenia Pirola , Elena Di Lodovico , Claudio Casella , Letizia Pezzaioli , Paolo Facondo , Alberto Ferlin , Davide Lombardi , Carlo Cappelli

European academy of andrology guidelines on Klinefelter Syndrome Endorsing Organization: European Society of Endocrinology.

Andrology
Avec: Michael Zitzmann , Lise Aksglaede , Giovanni Corona , Andrea M Isidori , Anders Juul , Guy T'Sjoen , Sabine Kliesch , Kathleen D'Hauwers , Jorma Toppari , Jolanta Słowikowska-Hilczer , Frank Tüttelmann , Alberto Ferlin

Case report: Obstructive azoospermia as the first presentation of Von Hippel-Lindau disease.

Frontiers in oncology
Avec: Raffaele Scafa , Maurizio Merico , Alfonso Massimiliano Ferrara , Sara Watutantrige Fernando , Pava Srsen , Francesca Schiavi , Stefania Zovato , Alberto Ferlin

Acquired Male Hypogonadism in the Post-Genomic Era-A Narrative Review.

Life (Basel, Switzerland)
Avec: Giuseppe Grande , Andrea Graziani , Luca De Toni , Andrea Garolla , Domenico Milardi , Alberto Ferlin

Emerging Role of Non-collagenous Bone Proteins as Osteokines in Extraosseous Tissues.

Current protein & peptide science
Avec: Kenda Jawich , Rana Hadakie , Souhaib Jamal , Rana Habeeb , Sahar Al Fahoum , Alberto Ferlin , Luca De Toni

Legacy perfluoro-alkyl substances impair LDL-cholesterol uptake independently from PCSK9-function.

Toxicology reports
Avec: Iva Sabovic , Maria Giovanna Lupo , Ilaria Rossi , Federica Pedrucci , Andrea Di Nisio , Stefano Dall'Acqua , Nicola Ferri , Alberto Ferlin , Carlo Foresta , Luca De Toni

Lipophilic phthalic acid esters impair human sperm acrosomal reaction through the likely inhibition of phospholipase A

Biochemical pharmacology
Avec: Ilaria Cosci , Andrea Garolla , Anna Cabrelle , Stefania Sut , Stefano Dall'Acqua , Alberto Ferlin , Carlo Foresta , Luca De Toni

Endocrine system after 2 years of COVID-19 vaccines: A narrative review of the literature.

Frontiers in endocrinology
Avec: Letizia Chiara Pezzaioli , Elisa Gatta , Francesca Bambini , Paolo Facondo , Maria Gava , Maria Cavadini , Caterina Buoso , Elena Di Lodovico , Mario Rotondi , Alberto Ferlin , Carlo Cappelli

Intra Uterine Insemination in Two Couples with HPV Detection by Hyaluronidase-Based Swim-up Washing: Cases Report.

Journal of personalized medicine
Avec: Ilaria Cosci , Luca De Toni , Francesca Vasoin De Prosperi , Carrie Bedoni , Rafael Ramirez , Grazia Buonfantino , Alberto Ferlin , Andrea Garolla

Bone health and body composition in transgender adults before gender-affirming hormonal therapy: data from the COMET study.

Journal of endocrinological investigation
Avec: C Ceolin , A Scala , M Dall'Agnol , C Ziliotto , A Delbarba , P Facondo , A Citron , B Vescovi , S Pasqualini , S Giannini , V Camozzi , C Cappelli , A Bertocco , M De Rui , A Coin , G Sergi , A Ferlin , A Garolla , Auteur inconnu

Proteomics for the identification of peripheral markers in pituitary disease.

Minerva endocrinology
Avec: Giuseppe Grande , Andrea Graziani , Luca DE Toni , Alberto Ferlin

Genetic Causes of Qualitative Sperm Defects: A Narrative Review of Clinical Evidence.

Genes
Avec: Andrea Graziani , Maria Santa Rocca , Cinzia Vinanzi , Giulia Masi , Giuseppe Grande , Luca De Toni , Alberto Ferlin

Type 1 diabetes mellitus and sperm quality: A case-control study.

Andrology
Avec: Andrea Delbarba , Valentina Anelli , Francesca Bambini , Caterina Buoso , Paolo Facondo , Elisa Gatta , Angela Girelli , Carlo Cappelli , Alberto Ferlin

FSH Therapy in Male Factor Infertility: Evidence and Factors Which Might Predict the Response.

Life (Basel, Switzerland)
Avec: Giuseppe Grande , Andrea Graziani , Raffaele Scafa , Andrea Garolla , Daniele Santi , Alberto Ferlin

Risk behaviours and alcohol in adolescence are negatively associated with testicular volume: results from the Amico-Andrologo survey.

Andrology
Avec: D Gianfrilli , A Ferlin , A M Isidori , A Garolla , M Maggi , R Pivonello , D Santi , A Sansone , G Balercia , A R M Granata , A Sinisi , F Lanfranco , P Pasqualetti , C Foresta , A Lenzi , Auteur inconnu

Hypogonadism and liver fibrosis in HIV-infected patients.

Journal of endocrinological investigation
Avec: E Quiros-Roldan , T Porcelli , L C Pezzaioli , M Degli Antoni , S Paghera , M Properzi , E Focà , C Carriero , F Castelli , A Ferlin

INSL3: A Marker of Leydig Cell Function and Testis-Bone-Skeletal Muscle Network.

Protein and peptide letters
Avec: Paolo Facondo , Andrea Delbarba , Filippo Maffezzoni , Carlo Cappelli , Alberto Ferlin

E2F1 copy number variations contribute to spermatogenic impairment and cryptorchidism by increasing susceptibility to heat stress.

Andrology
Avec: M S Rocca , A Di Nisio , I Sabovic , M Ghezzi , C Foresta , A Ferlin

Effects of acute hCG stimulation on serum INSL3 and 25-OH vitamin D in Klinefelter syndrome.

Andrology
Avec: Daniele Santi , Richard Ivell , Ravinder Anand-Ivell , Luca De Toni , Flaminia Fanelli , Marco Mezzullo , Carla Pelusi , Uberto Pagotto , Serena Belli , Antonio R M Granata , Laura Roli , Vincenzo Rochira , Tommaso Trenti , Alberto Ferlin , Manuela Simoni

Development of a novel next-generation sequencing panel for diagnosis of quantitative spermatogenic impairment.

Journal of assisted reproduction and genetics
Avec: Maria Santa Rocca , Aichi Msaki , Marco Ghezzi , Ilaria Cosci , Kalliopi Pilichou , Rudy Celeghin , Carlo Foresta , Alberto Ferlin

MANAGEMENT OF ENDOCRINE DISEASE: Male osteoporosis: diagnosis and management - should the treatment and the target be the same as for female osteoporosis?

European journal of endocrinology
Avec: Teresa Porcelli , Filippo Maffezzoni , Letizia Chiara Pezzaioli , Andrea Delbarba , Carlo Cappelli , Alberto Ferlin

Identification of Rare

International journal of molecular sciences
Avec: Maria Santa Rocca , Giovanni Minervini , Andrea Di Nisio , Maurizio Merico , Maria Bueno Marinas , Luca De Toni , Kalliopi Pilichou , Andrea Garolla , Carlo Foresta , Alberto Ferlin

First baseline data of the Klinefelter ItaliaN Group (KING) cohort: clinical features of adult with Klinefelter syndrome in Italy.

Journal of endocrinological investigation
Avec: D Pasquali , P Chiodini , V Simeon , A Ferlin , L Vignozzi , G Corona , F Lanfranco , V Rochira , A E Calogero , M Bonomi , R Pivonello , G Balercia , A Pizzocaro , V A Giagulli , P Salacone , A Aversa , G Accardo , M Maggi , A Lenzi , A Isidori , C Foresta , E A Jannini , A Garolla , Auteur inconnu

Diabetes and male fertility disorders.

Molecular aspects of medicine
Avec: Andrea Graziani , Raffaele Scafa , Giuseppe Grande , Alberto Ferlin

Adult- and late-onset male hypogonadism: the clinical practice guidelines of the Italian Society of Andrology and Sexual Medicine (SIAMS) and the Italian Society of Endocrinology (SIE).

Journal of endocrinological investigation
Avec: A M Isidori , A Aversa , A Calogero , A Ferlin , S Francavilla , F Lanfranco , R Pivonello , V Rochira , G Corona , M Maggi

Cardiometabolic indices predict hypogonadism in male patients with type 2 diabetes.

Journal of endocrinological investigation
Avec: N Caretta , P Facondo , S Mereu , A Delbarba , M C Crepaldi , M Vedovato , A Avogaro , A Ferlin

When and why patients drop out from benign thyroid nodules follow-up: a single centre experience.

Endocrine
Avec: Ilenia Pirola , Mario Rotondi , Elena Di Lodovico , Letizia Chiara Pezzaioli , Barbara Agosti , Maurizio Castellano , Alberto Ferlin , Carlo Cappelli

Testosterone supplementation and bone parameters: a systematic review and meta-analysis study.

Journal of endocrinological investigation
Avec: G Corona , W Vena , A Pizzocaro , V A Giagulli , D Francomano , G Rastrelli , G Mazziotti , A Aversa , A M Isidori , R Pivonello , L Vignozzi , E Mannucci , M Maggi , A Ferlin

Osteoporosis in men with hypogonadism because of ApoA-I Leu75Pro amyloidosis under long-term testosterone therapy.

Andrology
Avec: Paolo Facondo , Andrea Delbarba , Letizia Chiara Pezzaioli , Alberto Ferlin , Carlo Cappelli

New developments and future trajectories in supernumerary sex chromosome abnormalities: a summary of the 2022 3rd International Workshop on Klinefelter Syndrome, Trisomy X, and XYY.

Endocrine connections
Avec: Claus H Gravholt , Alberto Ferlin , Joerg Gromoll , Anders Juul , Armin Raznahan , Sophie van Rijn , Alan D Rogol , Anne Skakkebæk , Nicole Tartaglia , Hanna Swaab

Dietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use.

Nutrients
Avec: Gabriel Cosmin Petre , Francesco Francini-Pesenti , Amerigo Vitagliano , Giuseppe Grande , Alberto Ferlin , Andrea Garolla

Seminal cadmium affects human sperm motility through stable binding to the cell membrane.

Frontiers in cell and developmental biology
Avec: Claudia Pappalardo , Ilaria Cosci , Giulia Moro , Angela Maria Stortini , Annalisa Sandon , Cristina De Angelis , Giacomo Galdiero , Marco Trifuoggi , Rosario Pivonello , Federica Pedrucci , Andrea Di Nisio , Carlo Foresta , Alberto Ferlin , Luca De Toni

In vitro binding analysis of legacy-linear and new generation-cyclic perfluoro-alkyl substances on sex hormone binding globulin and albumin, suggests low impact on serum hormone kinetics of testosterone.

Toxicology
Avec: Angela Pavan , Laura Cendron , Andrea Di Nisio , Federica Pedrucci , Iva Sabovic , Alessandro Scarso , Alberto Ferlin , Alessandro Angelini , Carlo Foresta , Luca De Toni

A cryptozoospermic infertile male with Y chromosome AZFc microdeletion and low FSH levels due to a simultaneous polymorphism in the FSHB gene: a case report.

Human reproduction (Oxford, England)
Avec: Andrea Graziani , Maurizio Merico , Giuseppe Grande , Antonella Di Mambro , Cinzia Vinanzi , Maria Santa Rocca , Riccardo Selice , Alberto Ferlin

Lipidomic Profile of Human Sperm Membrane Identifies a Clustering of Lipids Associated with Semen Quality and Function.

International journal of molecular sciences
Avec: Andrea Di Nisio , Luca De Toni , Iva Sabovic , Alessia Vignoli , Leonardo Tenori , Stefano Dall'Acqua , Stefania Sut , Sandro La Vignera , Rosita Angela Condorelli , Filippo Giacone , Alberto Ferlin , Carlo Foresta , Andrea Garolla

Penile doppler ultrasound predicts cardiovascular events in men with erectile dysfunction.

Andrology
Avec: N Caretta , M De Rocco Ponce , N Minicuci , P Palego , U Valente , A Garolla , A Ferlin , C Foresta

Telomere length: lights and shadows on their role in human reproduction.

Biology of reproduction
Avec: Maria Santa Rocca , Carlo Foresta , Alberto Ferlin

Could Serum TSH Levels Predict Malignancy in Euthyroid Patients Affected by Thyroid Nodules with Indeterminate Cytology?

International journal of endocrinology
Avec: Carlo Cappelli , Ilenia Pirola , Elena Gandossi , Mario Rotondi , Davide Lombardi , Claudio Casella , Fiorella Marini , Maura Saullo , Barbara Agosti , Elena Di Lodovico , Luca Chiovato , Alberto Ferlin , Maurizio Castellano

People smoke for nicotine, but lose sexual and reproductive health for tar: a narrative review on the effect of cigarette smoking on male sexuality and reproduction.

Journal of endocrinological investigation
Avec: G Corona , A Sansone , F Pallotti , A Ferlin , R Pivonello , A M Isidori , M Maggi , E A Jannini

Testicular Involvement is a Hallmark of Apo A-I Leu75Pro Mutation Amyloidosis.

The Journal of clinical endocrinology and metabolism
Avec: Andrea Delbarba , Paolo Facondo , Simona Fisogni , Claudia Izzi , Filippo Maffezzoni , Letizia Chiara Pezzaioli , Elena Di Lodovico , Fabio Facchetti , Carlo Cappelli , Francesco Scolari , Alberto Ferlin

Infertility: Practical Clinical Issues for Routine Investigation of the Male Partner.

Journal of clinical medicine
Avec: Alberto Ferlin , Carlo Foresta

Testosterone treatment in male patients with Klinefelter syndrome: a systematic review and meta-analysis.

Journal of endocrinological investigation
Avec: A Pizzocaro , W Vena , R Condorelli , A Radicioni , G Rastrelli , D Pasquali , R Selice , A Ferlin , C Foresta , E A Jannini , M Maggi , A Lenzi , R Pivonello , A M Isidori , A Garolla , S Francavilla , G Corona , Auteur inconnu

Radiofrequency ablation of functioning and non-functioning thyroid nodules: a single institution 12-month survey.

Journal of endocrinological investigation
Avec: C Cappelli , F Franco , I Pirola , E Gandossi , F Marini , E Di Lodovico , C Casella , D Lombardi , A Cristiano , A Ferlin , M Castellano

Impact of hypogonadism on bone mineral density and vertebral fractures in HIV-infected men.

Journal of endocrinological investigation
Avec: L C Pezzaioli , T Porcelli , A Delbarba , F Maffezzoni , E Focà , F Castelli , C Cappelli , A Ferlin , M E Quiros-Roldan

Practical Clinical and Diagnostic Pathway for the Investigation of the Infertile Couple.

Frontiers in endocrinology
Avec: Andrea Garolla , Damiano Pizzol , Andrea Roberto Carosso , Andrea Borini , Filippo Maria Ubaldi , Aldo Eugenio Calogero , Alberto Ferlin , Antonio Lanzone , Francesco Tomei , Bruno Engl , Laura Rienzi , Lucia De Santis , Giovanni Coticchio , Lee Smith , Rossella Cannarella , Attilio Anastasi , Massimo Menegazzo , Liborio Stuppia , Christian Corsini , Carlo Foresta

Tissue Proteome of 2-Hydroxyacyl-CoA Lyase Deficient Mice Reveals Peroxisome Proliferation and Activation of ω-Oxidation.

International journal of molecular sciences
Avec: Youssef Khalil , Sara Carrino , Fujun Lin , Anna Ferlin , Heena V Lad , Francesca Mazzacuva , Sara Falcone , Natalie Rivers , Gareth Banks , Danilo Concas , Carlos Aguilar , Andrew R Haynes , Andy Blease , Thomas Nicol , Raya Al-Shawi , Wendy Heywood , Paul Potter , Kevin Mills , Daniel P Gale , Peter T Clayton

Global warming and testis function: A challenging crosstalk in an equally challenging environmental scenario.

Frontiers in cell and developmental biology
Avec: Luca De Toni , Federica Finocchi , Kenda Jawich , Alberto Ferlin

Androgen serum levels in male patients with adrenocortical carcinoma given mitotane therapy: A single center retrospective longitudinal study.

Frontiers in endocrinology
Avec: Andrea Delbarba , Deborah Cosentini , Paolo Facondo , Marta Laganà , Letizia Chiara Pezzaioli , Valentina Cremaschi , Andrea Alberti , Salvatore Grisanti , Carlo Cappelli , Alberto Ferlin , Alfredo Berruti

Pathogenic Variant Frequencies in Hereditary Haemorrhagic Telangiectasia Support Clinical Evidence of Protection from Myocardial Infarction.

Journal of clinical medicine
Avec: Kinshuk Jain , Sarah C McCarley , Ghazel Mukhtar , Anna Ferlin , Andrew Fleming , Deborah J Morris-Rosendahl , Claire L Shovlin

Gender Differences in Soft Tissue and Bone Sarcoma: A Narrative Review.

Cancers
Avec: Ilaria Cosci , Paolo Del Fiore , Simone Mocellin , Alberto Ferlin

Observational Cross-Sectional Study on Mediterranean Diet and Sperm Parameters.

Nutrients
Avec: Gabriel Cosmin Petre , Francesco Francini-Pesenti , Andrea Di Nisio , Luca De Toni , Giuseppe Grande , Asia Mingardi , Arianna Cusmano , Paolo Spinella , Alberto Ferlin , Andrea Garolla

Fertility Preservation and Restoration Options for Pre-Pubertal Male Cancer Patients: Current Approaches.

Frontiers in endocrinology
Avec: Elena Eugeni , Iva Arato , Rachele Del Sordo , Angelo Sidoni , Andrea Garolla , Alberto Ferlin , Riccardo Calafiore , Stefano Brancorsini , Francesca Mancuso , Giovanni Luca

Mutational Screening of Androgen Receptor Gene in 8224 Men of Infertile Couples.

The Journal of clinical endocrinology and metabolism
Avec: Maria Santa Rocca , Giovanni Minervini , Cinzia Vinanzi , Alberto Bottacin , Federica Lia , Carlo Foresta , Maria Pennuto , Alberto Ferlin

Male factor infertility and assisted reproductive technologies: indications, minimum access criteria and outcomes.

Journal of endocrinological investigation
Avec: R Mazzilli , C Rucci , A Vaiarelli , D Cimadomo , F M Ubaldi , C Foresta , A Ferlin

Study of novel androgen receptor V770 variant in androgen insensitivity syndrome patients reveals the transitional state of the androgen receptor ligand binding domain homodimer.

Protein science : a publication of the Protein Society
Avec: Christine Helsen , Maria Santa Rocca , Tien T Nguyen , Roy Eerlings , Xiao Yin Lee , Sofie De Block , Cinzia Vinanzi , Francesco Di Millo , Vito Giagulli , Arnout Voet , Alberto Ferlin , Frank Claessens

Réseau de co-auteurs

Carlo Cappelli 20 collaborations
A Ferlin 17 collaborations
Luca De Toni 16 collaborations
Carlo Foresta 15 collaborations
Andrea Delbarba 15 collaborations
Andrea Garolla 12 collaborations
Paolo Facondo 11 collaborations
Letizia Chiara Pezzaioli 11 collaborations
Filippo Maffezzoni 10 collaborations
Giuseppe Grande 10 collaborations
C Foresta 9 collaborations
Andrea Di Nisio 8 collaborations
Elena Di Lodovico 8 collaborations
G Corona 7 collaborations
Andrea Graziani 7 collaborations
R Pivonello 7 collaborations
M Maggi 7 collaborations
Maria Santa Rocca 7 collaborations
Teresa Porcelli 6 collaborations
A M Isidori 6 collaborations
A Garolla 6 collaborations
Ilenia Pirola 5 collaborations
Ilaria Cosci 5 collaborations
Mario Rotondi 4 collaborations
Claudio Casella 4 collaborations
Davide Lombardi 4 collaborations
Barbara Agosti 4 collaborations
Maurizio Castellano 4 collaborations
V Rochira 4 collaborations
A Lenzi 4 collaborations
E A Jannini 4 collaborations
Stefano Dall'Acqua 4 collaborations
None None 4 collaborations
Cinzia Vinanzi 4 collaborations
Letizia Pezzaioli 3 collaborations
Elena Gandossi 3 collaborations
S Francavilla 3 collaborations
V A Giagulli 3 collaborations
Raffaele Scafa 3 collaborations
Maurizio Merico 3 collaborations
Iva Sabovic 3 collaborations
Federica Pedrucci 3 collaborations
A Delbarba 3 collaborations
C Cappelli 3 collaborations
F Lanfranco 3 collaborations
A Pizzocaro 3 collaborations
A Aversa 3 collaborations
Gherardo Mazziotti 2 collaborations
Emanuele Ferrante 2 collaborations
Giovanna Mantovani 2 collaborations
Rosario Pivonello 2 collaborations
Valentina Anelli 2 collaborations
Giovanni Corona 2 collaborations
Francesco Castelli 2 collaborations
A E Calogero 2 collaborations
Trine B Haugen 2 collaborations
Domenico Milardi 2 collaborations
Claudia Pappalardo 2 collaborations
Fiorella Marini 2 collaborations
Anders Juul 2 collaborations
Kenda Jawich 2 collaborations
Stefania Sut 2 collaborations
Elisa Gatta 2 collaborations
Francesca Bambini 2 collaborations
Caterina Buoso 2 collaborations
P Facondo 2 collaborations
Daniele Santi 2 collaborations
A Sansone 2 collaborations
G Balercia 2 collaborations
T Porcelli 2 collaborations
L C Pezzaioli 2 collaborations
E Focà 2 collaborations
F Castelli 2 collaborations
Kalliopi Pilichou 2 collaborations
Giovanni Minervini 2 collaborations
D Pasquali 2 collaborations
L Vignozzi 2 collaborations
N Caretta 2 collaborations
W Vena 2 collaborations
G Rastrelli 2 collaborations
Gabriel Cosmin Petre 2 collaborations
Francesco Francini-Pesenti 2 collaborations
Anna Ferlin 2 collaborations
Luca Flesia 1 collaboration
Francesca Cavalieri 1 collaboration
Stefano Angelini 1 collaboration
Gioia Bottesi 1 collaboration
Marta Ghisi 1 collaboration
Enrico Tonon 1 collaboration
Agustina Perez Roldan 1 collaboration
Claudia Battista 1 collaboration
Sabrina Chiloiro 1 collaboration
Nunzia Prencipe 1 collaboration
Ludovica Grasso 1 collaboration
Federico Gatto 1 collaboration
Roberto Olivetti 1 collaboration
Maura Arosio 1 collaboration
Marco Barale 1 collaboration
Antonio Bianchi 1 collaboration
Miriam Cellini 1 collaboration
Iacopo Chiodini 1 collaboration
Laura De Marinis 1 collaboration
Giulia Del Sindaco 1 collaboration
Carolina Di Somma 1 collaboration
Ezio Ghigo 1 collaboration
Antonella Giampietro 1 collaboration
Silvia Grottoli 1 collaboration
Elisabetta Lavezzi 1 collaboration
Emanuela Morenghi 1 collaboration
Massimo Procopio 1 collaboration
Flavia Pugliese 1 collaboration
Alfredo Scillitani 1 collaboration
Andrea Gerardo Lania 1 collaboration
Alexander I Agoulnik 1 collaboration
Marco Sandri 1 collaboration
Erica Filippini 1 collaboration
Martina Properzi 1 collaboration
Maria Eugenia Quiros-Roldan 1 collaboration
C Krausz 1 collaboration
F Lombardo 1 collaboration
D Paoli 1 collaboration
R Rago 1 collaboration
C Scarica 1 collaboration
M Simoni 1 collaboration
E Sbardella 1 collaboration
Chiara Grasso 1 collaboration
Maja Popovic 1 collaboration
Elena Isaevska 1 collaboration
Fulvio Lazzarato 1 collaboration
Valentina Fiano 1 collaboration
Daniela Zugna 1 collaboration
John Pluta 1 collaboration
Benita Weathers 1 collaboration
Kurt D'Andrea 1 collaboration
Kristian Almstrup 1 collaboration
Lynn Anson-Cartwright 1 collaboration
D Timothy Bishop 1 collaboration
Stephen J Chanock 1 collaboration
Chu Chen 1 collaboration
Victoria K Cortessis 1 collaboration
Marlene D Dalgaard 1 collaboration
Siamak Daneshmand 1 collaboration
Megan N Frone 1 collaboration
Marija Gamulin 1 collaboration
Jourik A Gietema 1 collaboration
Mark H Greene 1 collaboration
Tom Grotmol 1 collaboration
Robert J Hamilton 1 collaboration
Russ Hauser 1 collaboration
Robert Karlsson 1 collaboration
Lambertus A Kiemeney 1 collaboration
Davor Lessel 1 collaboration
Patrizia Lista 1 collaboration
Ragnhild A Lothe 1 collaboration
Chey Loveday 1 collaboration
Coby Meijer 1 collaboration
Kevin T Nead 1 collaboration
Jérémie Nsengimana 1 collaboration
Rolf I Skotheim 1 collaboration
Clare Turnbull 1 collaboration
David J Vaughn 1 collaboration
Fredrik Wiklund 1 collaboration
Tongzhang Zheng 1 collaboration
Andrea Zitella 1 collaboration
Stephen M Schwartz 1 collaboration
Katherine A McGlynn 1 collaboration
Peter A Kanetsky 1 collaboration
Katherine L Nathanson 1 collaboration
Lorenzo Richiardi 1 collaboration
Lars Björndahl 1 collaboration
Christopher L R Barratt 1 collaboration
David Mortimer 1 collaboration
Ashok Agarwal 1 collaboration
Robert J Aitken 1 collaboration
Juan G Alvarez 1 collaboration
Natalie Aneck-Hahn 1 collaboration
Stefan Arver 1 collaboration
Elisabetta Baldi 1 collaboration
Lluís Bassas 1 collaboration
Florence Boitrelle 1 collaboration
Riana Bornman 1 collaboration
Douglas T Carrell 1 collaboration
José A Castilla 1 collaboration
Gerardo Cerezo Parra 1 collaboration
Jerome H Check 1 collaboration
Patricia S Cuasnicu 1 collaboration
Sally Perreault Darney 1 collaboration
Christiaan de Jager 1 collaboration
Christopher J De Jonge 1 collaboration
Joël R Drevet 1 collaboration
Erma Z Drobnis 1 collaboration
Stefan S Du Plessis 1 collaboration
Michael L Eisenberg 1 collaboration
Sandro C Esteves 1 collaboration
Evangelini A Evgeni 1 collaboration
Nicolas Garrido 1 collaboration
Aleksander Giwercman 1 collaboration
Ilse G F Goovaerts 1 collaboration
Ralf Henkel 1 collaboration
Lars Henningsohn 1 collaboration
Marie-Claude Hofmann 1 collaboration
James M Hotaling 1 collaboration
Piotr Jedrzejczak 1 collaboration
Pierre Jouannet 1 collaboration
Niels Jørgensen 1 collaboration
Jackson C Kirkman Brown 1 collaboration
Csilla Krausz 1 collaboration
Maciej Kurpisz 1 collaboration
Ulrik Kvist 1 collaboration
Dolores J Lamb 1 collaboration
Hagai Levine 1 collaboration
Kate L Loveland 1 collaboration
Robert I McLachlan 1 collaboration
Ali Mahran 1 collaboration
Liana Maree 1 collaboration
Sarah Martins da Silva 1 collaboration
Michael T Mbizvo 1 collaboration
Andreas Meinhardt 1 collaboration
Roelof Menkveld 1 collaboration
Sharon T Mortimer 1 collaboration
Sergey Moskovtsev 1 collaboration
Charles H Muller 1 collaboration
Maria José Munuce 1 collaboration
Monica Muratori 1 collaboration
Craig Niederberger 1 collaboration
Cristian O'Flaherty 1 collaboration
Rafael Oliva 1 collaboration
Willem Ombelet 1 collaboration
Allan A Pacey 1 collaboration
Michael A Palladino 1 collaboration
Ranjith Ramasamy 1 collaboration
Liliana Ramos 1 collaboration
Nathalie Rives 1 collaboration
Eduardo Rs Roldan 1 collaboration
Susan Rothmann 1 collaboration
Denny Sakkas 1 collaboration
Andrea Salonia 1 collaboration
Maria Cristina Sánchez-Pozo 1 collaboration
Rosanna Sapiro 1 collaboration
Stefan Schlatt 1 collaboration
Peter N Schlegel 1 collaboration
Hans-Christian Schuppe 1 collaboration
Rupin Shah 1 collaboration
Niels E Skakkebæk 1 collaboration
Katja Teerds 1 collaboration
Igor Toskin 1 collaboration
Herman Tournaye 1 collaboration
Paul J Turek 1 collaboration
Gerhard van der Horst 1 collaboration
Monica Vazquez-Levin 1 collaboration
Christina Wang 1 collaboration
Alex Wetzels 1 collaboration
Theodosia Zeginiadou 1 collaboration
Armand Zini 1 collaboration
D Cucinotta 1 collaboration
G Di Lorenzo 1 collaboration
L Gnessi 1 collaboration
M I Maiorino 1 collaboration
P Miserendino 1 collaboration
A Murrone 1 collaboration
G M Sangiorgi 1 collaboration
G Stagno 1 collaboration
Marta Trevisan 1 collaboration
Micaela Pannella 1 collaboration
M Kiesswetter 1 collaboration
S Angelini 1 collaboration
F Cavalieri 1 collaboration
M Panzeri 1 collaboration
Nicola Arrighi 1 collaboration
Walter Vena 1 collaboration
Alessandro Pizzocaro 1 collaboration
Rita Indirli 1 collaboration
Myriam Amer 1 collaboration
Lorenzo Leonardi 1 collaboration
Luca Balzarini 1 collaboration
Fabio M Ulivieri 1 collaboration
Andrea G Lania 1 collaboration
Alessandra Cristiano 1 collaboration
Eugenia Quiros-Roldan 1 collaboration
Simone Paghera 1 collaboration
Melania Degli Antoni 1 collaboration
Michael Zitzmann 1 collaboration
Lise Aksglaede 1 collaboration
Andrea M Isidori 1 collaboration
Guy T'Sjoen 1 collaboration
Sabine Kliesch 1 collaboration
Kathleen D'Hauwers 1 collaboration
Jorma Toppari 1 collaboration
Jolanta Słowikowska-Hilczer 1 collaboration
Frank Tüttelmann 1 collaboration
Alfonso Massimiliano Ferrara 1 collaboration
Sara Watutantrige Fernando 1 collaboration
Pava Srsen 1 collaboration
Francesca Schiavi 1 collaboration
Stefania Zovato 1 collaboration
Rana Hadakie 1 collaboration
Souhaib Jamal 1 collaboration
Rana Habeeb 1 collaboration
Sahar Al Fahoum 1 collaboration
Maria Giovanna Lupo 1 collaboration
Ilaria Rossi 1 collaboration
Nicola Ferri 1 collaboration
Anna Cabrelle 1 collaboration
Maria Gava 1 collaboration
Maria Cavadini 1 collaboration
Francesca Vasoin De Prosperi 1 collaboration
Carrie Bedoni 1 collaboration
Rafael Ramirez 1 collaboration
Grazia Buonfantino 1 collaboration
C Ceolin 1 collaboration
A Scala 1 collaboration
M Dall'Agnol 1 collaboration
C Ziliotto 1 collaboration
A Citron 1 collaboration
B Vescovi 1 collaboration
S Pasqualini 1 collaboration
S Giannini 1 collaboration
V Camozzi 1 collaboration
A Bertocco 1 collaboration
M De Rui 1 collaboration
A Coin 1 collaboration
G Sergi 1 collaboration
Luca DE Toni 1 collaboration
Giulia Masi 1 collaboration
Angela Girelli 1 collaboration
D Gianfrilli 1 collaboration
D Santi 1 collaboration
A R M Granata 1 collaboration
A Sinisi 1 collaboration
P Pasqualetti 1 collaboration
E Quiros-Roldan 1 collaboration
M Degli Antoni 1 collaboration
S Paghera 1 collaboration
M Properzi 1 collaboration
C Carriero 1 collaboration
M S Rocca 1 collaboration
A Di Nisio 1 collaboration
I Sabovic 1 collaboration
M Ghezzi 1 collaboration
Richard Ivell 1 collaboration
Ravinder Anand-Ivell 1 collaboration
Flaminia Fanelli 1 collaboration
Marco Mezzullo 1 collaboration
Carla Pelusi 1 collaboration
Uberto Pagotto 1 collaboration
Serena Belli 1 collaboration
Antonio R M Granata 1 collaboration
Laura Roli 1 collaboration
Vincenzo Rochira 1 collaboration
Tommaso Trenti 1 collaboration
Manuela Simoni 1 collaboration
Aichi Msaki 1 collaboration
Marco Ghezzi 1 collaboration
Rudy Celeghin 1 collaboration
Maria Bueno Marinas 1 collaboration
P Chiodini 1 collaboration
V Simeon 1 collaboration
M Bonomi 1 collaboration
P Salacone 1 collaboration
G Accardo 1 collaboration
A Isidori 1 collaboration
A Calogero 1 collaboration
S Mereu 1 collaboration
M C Crepaldi 1 collaboration
M Vedovato 1 collaboration
A Avogaro 1 collaboration
D Francomano 1 collaboration
G Mazziotti 1 collaboration
E Mannucci 1 collaboration
Claus H Gravholt 1 collaboration
Joerg Gromoll 1 collaboration
Armin Raznahan 1 collaboration
Sophie van Rijn 1 collaboration
Alan D Rogol 1 collaboration
Anne Skakkebæk 1 collaboration
Nicole Tartaglia 1 collaboration
Hanna Swaab 1 collaboration
Amerigo Vitagliano 1 collaboration
Giulia Moro 1 collaboration
Angela Maria Stortini 1 collaboration
Annalisa Sandon 1 collaboration
Cristina De Angelis 1 collaboration
Giacomo Galdiero 1 collaboration
Marco Trifuoggi 1 collaboration
Angela Pavan 1 collaboration
Laura Cendron 1 collaboration
Alessandro Scarso 1 collaboration
Alessandro Angelini 1 collaboration
Antonella Di Mambro 1 collaboration
Riccardo Selice 1 collaboration
Alessia Vignoli 1 collaboration
Leonardo Tenori 1 collaboration
Sandro La Vignera 1 collaboration
Rosita Angela Condorelli 1 collaboration
Filippo Giacone 1 collaboration
M De Rocco Ponce 1 collaboration
N Minicuci 1 collaboration
P Palego 1 collaboration
U Valente 1 collaboration
Maura Saullo 1 collaboration
Luca Chiovato 1 collaboration
F Pallotti 1 collaboration
Simona Fisogni 1 collaboration
Claudia Izzi 1 collaboration
Fabio Facchetti 1 collaboration
Francesco Scolari 1 collaboration
R Condorelli 1 collaboration
A Radicioni 1 collaboration
R Selice 1 collaboration
F Franco 1 collaboration
I Pirola 1 collaboration
E Gandossi 1 collaboration
F Marini 1 collaboration
E Di Lodovico 1 collaboration
C Casella 1 collaboration
D Lombardi 1 collaboration
A Cristiano 1 collaboration
M Castellano 1 collaboration
F Maffezzoni 1 collaboration
M E Quiros-Roldan 1 collaboration
Damiano Pizzol 1 collaboration
Andrea Roberto Carosso 1 collaboration
Andrea Borini 1 collaboration
Filippo Maria Ubaldi 1 collaboration
Aldo Eugenio Calogero 1 collaboration
Antonio Lanzone 1 collaboration
Francesco Tomei 1 collaboration
Bruno Engl 1 collaboration
Laura Rienzi 1 collaboration
Lucia De Santis 1 collaboration
Giovanni Coticchio 1 collaboration
Lee Smith 1 collaboration
Rossella Cannarella 1 collaboration
Attilio Anastasi 1 collaboration
Massimo Menegazzo 1 collaboration
Liborio Stuppia 1 collaboration
Christian Corsini 1 collaboration
Youssef Khalil 1 collaboration
Sara Carrino 1 collaboration
Fujun Lin 1 collaboration
Heena V Lad 1 collaboration
Francesca Mazzacuva 1 collaboration
Sara Falcone 1 collaboration
Natalie Rivers 1 collaboration
Gareth Banks 1 collaboration
Danilo Concas 1 collaboration
Carlos Aguilar 1 collaboration
Andrew R Haynes 1 collaboration
Andy Blease 1 collaboration
Thomas Nicol 1 collaboration
Raya Al-Shawi 1 collaboration
Wendy Heywood 1 collaboration
Paul Potter 1 collaboration
Kevin Mills 1 collaboration
Daniel P Gale 1 collaboration
Peter T Clayton 1 collaboration
Federica Finocchi 1 collaboration
Deborah Cosentini 1 collaboration
Marta Laganà 1 collaboration
Valentina Cremaschi 1 collaboration
Andrea Alberti 1 collaboration
Salvatore Grisanti 1 collaboration
Alfredo Berruti 1 collaboration
Kinshuk Jain 1 collaboration
Sarah C McCarley 1 collaboration
Ghazel Mukhtar 1 collaboration
Andrew Fleming 1 collaboration
Deborah J Morris-Rosendahl 1 collaboration
Claire L Shovlin 1 collaboration
Paolo Del Fiore 1 collaboration
Simone Mocellin 1 collaboration
Asia Mingardi 1 collaboration
Arianna Cusmano 1 collaboration
Paolo Spinella 1 collaboration
Elena Eugeni 1 collaboration
Iva Arato 1 collaboration
Rachele Del Sordo 1 collaboration
Angelo Sidoni 1 collaboration
Riccardo Calafiore 1 collaboration
Stefano Brancorsini 1 collaboration
Francesca Mancuso 1 collaboration
Giovanni Luca 1 collaboration
Alberto Bottacin 1 collaboration
Federica Lia 1 collaboration
Maria Pennuto 1 collaboration
R Mazzilli 1 collaboration
C Rucci 1 collaboration
A Vaiarelli 1 collaboration
D Cimadomo 1 collaboration
F M Ubaldi 1 collaboration
Christine Helsen 1 collaboration
Tien T Nguyen 1 collaboration
Roy Eerlings 1 collaboration
Xiao Yin Lee 1 collaboration
Sofie De Block 1 collaboration
Francesco Di Millo 1 collaboration
Vito Giagulli 1 collaboration
Arnout Voet 1 collaboration
Frank Claessens 1 collaboration