S Tsitsilonis

Publications (50)

Crosstalk of Brain and Bone-Clinical Observations and Their Molecular Bases.

International journal of molecular sciences

Avec: Ellen Otto , Paul-Richard Knapstein , Denise Jahn , Jessika Appelt , Karl-Heinz Frosch , Serafeim Tsitsilonis , Johannes Keller

Correction of severe valgus osteoarthritis by total knee arthroplasty is associated with increased postoperative ankle symptoms.

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA

Avec: Frank Graef , Hagen Hommel , Roman Falk , Serafeim Tsitsilonis , Robert Karl Zahn , Carsten Perka

Treatment Algorithm for Pilon Fracture - Clinical and Radiological Results.

Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca

Avec: S Manegold , A Springer , S Märdia , S Tsitsilonis

Orthopedic trauma surgeon in Sierra Leone: how to keep one's head over water.

Archives of orthopaedic and trauma surgery

Avec: Florian Wichlas , Serafim Tsitsilonis , Michela Delli Guanti , Gino Strada , Christian Deininger

Proinflammatory and bone protective role of calcitonin gene-related peptide alpha in collagen antibody-induced arthritis.

Rheumatology (Oxford, England)

Avec: Tazio Maleitzke , Alexander Hildebrandt , Jérôme Weber , Tamara Dietrich , Jessika Appelt , Denise Jahn , Dario Zocholl , Anke Baranowsky , Georg N Duda , Serafeim Tsitsilonis , Johannes Keller

[What constitutes a good osteosynthesis?]

Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen

Avec: Sven Märdian , Serafeim Tsitsilonis , Sufian Ahmad , Ulf Culemann , Georg Duda , Mark Heyland , Ulrich Stöckle

Implementation of online video consultations in a regional health network: a management feasibility analysis from an orthopedic perspective.

BMC health services research

Avec: D A Back , K Estel , D Pförringer , S Tsitsilonis , J Bachner , C Willy , Auteur inconnu , H P Becker

An optimized protocol for a standardized, femoral osteotomy model to study fracture healing in mice.

STAR protocols

Avec: Shan Jiang , Paul Knapstein , Antonia Donat , Serafeim Tsitsilonis , Johannes Keller

The calcitonin receptor protects against bone loss and excessive inflammation in collagen antibody-induced arthritis.

iScience

Avec: Tazio Maleitzke , Alexander Hildebrandt , Tamara Dietrich , Jessika Appelt , Denise Jahn , Ellen Otto , Dario Zocholl , Anke Baranowsky , Georg N Duda , Serafeim Tsitsilonis , Johannes Keller

Leptin Mediated Pathways Stabilize Posttraumatic Insulin and Osteocalcin Patterns after Long Bone Fracture and Concomitant Traumatic Brain Injury and Thus Influence Fracture Healing in a Combined Murine Trauma Model.

International journal of molecular sciences

Avec: Anja Garbe , Frank Graef , Jessika Appelt , Katharina Schmidt-Bleek , Denise Jahn , Tim Lünnemann , Serafeim Tsitsilonis , Ricarda Seemann

Tranexamic Acid Promotes Murine Bone Marrow-Derived Osteoblast Proliferation and Inhibits Osteoclast Formation In Vitro.

International journal of molecular sciences

Avec: Anke Baranowsky , Jessika Appelt , Kristina Tseneva , Shan Jiang , Denise Jahn , Serafeim Tsitsilonis , Karl-Heinz Frosch , Johannes Keller

Decision support by machine learning systems for acute management of severely injured patients: A systematic review.

Frontiers in surgery

Avec: David Baur , Tobias Gehlen , Julian Scherer , David Alexander Back , Serafeim Tsitsilonis , Koroush Kabir , Georg Osterhoff

Joint and Functional Examinations in the Orthopaedic and Traumatological Video Consultation - What is Currently Possible?

Zeitschrift fur Orthopadie und Unfallchirurgie

Avec: Yasmin Youssef , Felix Fellmer , Tobias Gehlen , Katharina Estel , Serafeim Tsitsilonis , Sven Maerdian , A G Digitalisierung , David Alexander Back

The decisive early phase of bone regeneration.

Nature reviews. Rheumatology

Avec: Georg N Duda , Sven Geissler , Sara Checa , Serafeim Tsitsilonis , Ansgar Petersen , Katharina Schmidt-Bleek

Alterations in structure of the muscle-tendon unit and gait pattern after percutaneous repair of Achilles tendon rupture with the Dresden instrument.

Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons

Avec: Sebastian Manegold , Serafim Tsitsilonis , Tobias Gehlen , Sebastian Kopf , Georg N Duda , Alison N Agres

Haematoma block: a safe method for pre-surgical reduction of distal radius fractures.

Journal of orthopaedic surgery and research

Avec: Tazio Maleitzke , Fabian Plachel , Florian Nima Fleckenstein , Florian Wichlas , Serafeim Tsitsilonis

The Effect of Fat Distribution on the Inflammatory Response of Multiple Trauma Patients-A Retrospective Study.

Life (Basel, Switzerland)

Avec: Zhaoxiong Chen , Silvan Wittenberg , Timo Alexander Auer , Maxim Bashkuev , Pimrapat Gebert , Uli Fehrenbach , Dominik Geisel , Frank Graef , Sven Maerdian , Serafeim Tsitsilonis

Mice Lacking the Calcitonin Receptor Do Not Display Improved Bone Healing.

Cells

Avec: Jessika Appelt , Serafeim Tsitsilonis , Ellen Otto , Denise Jahn , Paul Köhli , Anke Baranowsky , Shan Jiang , Melanie Fuchs , Christian H Bucher , Georg N Duda , Karl-Heinz Frosch , Johannes Keller

Retrospective analysis of treatment strategies and clinical outcome of isolated talar dislocations.

Journal of clinical orthopaedics and trauma

Avec: Frank Graef , Marlene Rühling , Marcel Niemann , Ulrich Stöckle , Tobias Gehlen , Serafeim Tsitsilonis

Femoral Neck Stress Fracture of a Male, Healthy Marathon Runner - Case Report and Literature Review.

Zeitschrift fur Orthopadie und Unfallchirurgie

Avec: Luise Weinrich , Michael Dahne , Tobias Lindner , Ulrich Stöckle , Serafeim Tsitsilonis

Effects of CGRP receptor antagonism on glucose and bone metabolism in mice with diet-induced obesity.

Bone

Avec: Paul Köhli , Jessika Appelt , Ellen Otto , Denise Jahn , Anke Baranowsky , Alina Bahn , Cordula Erdmann , Judith Müchler , Michael Mülleder , Serafeim Tsitsilonis , Johannes Keller

Increased β

Science translational medicine

Avec: Denise Jahn , Paul Richard Knapstein , Ellen Otto , Paul Köhli , Jan Sevecke , Frank Graef , Christine Graffmann , Melanie Fuchs , Shan Jiang , Mayla Rickert , Cordula Erdmann , Jessika Appelt , Lawik Revend , Quin Küttner , Jason Witte , Adibeh Rahmani , Georg Duda , Weixin Xie , Antonia Donat , Thorsten Schinke , Andranik Ivanov , Mireille Ngokingha Tchouto , Dieter Beule , Karl-Heinz Frosch , Anke Baranowsky , Serafeim Tsitsilonis , Johannes Keller

Proposal of a New Rating Concept for Digital Health Applications in Orthopedics and Traumatology.

International journal of environmental research and public health

Avec: Julian Scherer , Yasmin Youssef , Florian Dittrich , Urs-Vito Albrecht , Serafeim Tsitsilonis , Jochen Jung , Dominik Pförringer , Stefan Landgraeber , Sascha Beck , David A Back

Inactivation of the gene encoding procalcitonin prevents antibody-mediated arthritis.

Inflammation research : official journal of the European Histamine Research Society ... [et al.]

Avec: Tazio Maleitzke , Tamara Dietrich , Alexander Hildebrandt , Jérôme Weber , Jessika Appelt , Denise Jahn , Ellen Otto , Dario Zocholl , Shan Jiang , Anke Baranowsky , Georg N Duda , Serafeim Tsitsilonis , Johannes Keller

Increased beta2-adrenergic signaling is a targetable stimulus essential for bone healing by promoting callus neovascularization.

bioRxiv : the preprint server for biology

[Economic aspects of digitalization in orthopedics and trauma surgery].

Der Unfallchirurg

Avec: Dominik Pförringer , David Matusiewicz , Serafeim Tsitsilonis , Tobias Gehlen , David A Back

Correction of excessive intraarticular varus deformities in total knee arthroplasty is associated with deteriorated postoperative ankle function.

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA

Avec: Frank Graef , R Falk , S Tsitsilonis , C Perka , R K Zahn , H Hommel

Validation of reference genes for expression analysis in a murine trauma model combining traumatic brain injury and femoral fracture.

Scientific reports

Avec: Ellen Otto , Paul Köhli , Jessika Appelt , Stefanie Menzel , Melanie Fuchs , Alina Bahn , Frank Graef , Georg N Duda , Serafeim Tsitsilonis , Johannes Keller , Denise Jahn

Transforming the German ICD-10 (ICD-10-GM) into Injury Severity Score (ISS)-Introducing a new method for automated re-coding.

PloS one

Avec: Marcel Niemann , Sven Märdian , Pascal Niemann , Liv Tetteh , Serafeim Tsitsilonis , Karl F Braun , Ulrich Stöckle , Frank Graef

Procalcitonin is expressed in osteoblasts and limits bone resorption through inhibition of macrophage migration during intermittent PTH treatment.

Bone research

Avec: Anke Baranowsky , Denise Jahn , Shan Jiang , Timur Yorgan , Peter Ludewig , Jessika Appelt , Kai K Albrecht , Ellen Otto , Paul Knapstein , Antonia Donat , Jack Winneberger , Lana Rosenthal , Paul Köhli , Cordula Erdmann , Melanie Fuchs , Karl-Heinz Frosch , Serafeim Tsitsilonis , Michael Amling , Thorsten Schinke , Johannes Keller

Routine laboratory parameters predict intensive care unit admission and hospitalization in patients suffering stab injuries.

Frontiers in immunology

Avec: Tazio Maleitzke , Sijia Zhou , Dario Zocholl , Florian Nima Fleckenstein , David Alexander Back , Julius Maximilian Plewe , Jérôme Weber , Tobias Winkler , Ulrich Stöckle , Serafeim Tsitsilonis , Sven Märdian

Acquired Factor XIII Deficiency in Patients with Multiple Trauma.

Injury

Avec: Michael Hetz , Tareq Juratli , Oliver Tiebel , Moritz Tobias Giesecke , Serafeim Tsitsilonis , Hanns-Christoph Held , Franziska Beyer , Christian Kleber

Nesting behavior is associated with body weight and grip strength loss in mice suffering from experimental arthritis.

Scientific reports

Avec: Tamara Dietrich , Annette Aigner , Alexander Hildebrandt , Jérôme Weber , Mara Meyer Günderoth , Katharina Hohlbaum , Johannes Keller , Serafeim Tsitsilonis , Tazio Maleitzke

Retrospective Analysis of the Clinical Outcome in a Matched Case-Control Cohort of Polytrauma Patients Following an Osteosynthetic Flail Chest Stabilization.

Journal of clinical medicine

Avec: Marcel Niemann , Frank Graef , Serafeim Tsitsilonis , Ulrich Stöckle , Sven Märdian

Early pH Changes in Musculoskeletal Tissues upon Injury-Aerobic Catabolic Pathway Activity Linked to Inter-Individual Differences in Local pH.

International journal of molecular sciences

Avec: Julia C Berkmann , Aaron X Herrera Martin , Agnes Ellinghaus , Claudia Schlundt , Hanna Schell , Evi Lippens , Georg N Duda , Serafeim Tsitsilonis , Katharina Schmidt-Bleek

Procalcitonin Exerts a Mediator Role in Septic Shock Through the Calcitonin Gene-Related Peptide Receptor.

Critical care medicine

Avec: Anke Baranowsky , Jessika Appelt , Christian Kleber , Tobias Lange , Peter Ludewig , Denise Jahn , Puja Pandey , Daniela Keller , Thomas Rose , Daniela Schetler , Sonja Braumüller , Markus Huber-Lang , Serafeim Tsitsilonis , Timur Yorgan , Karl-Heinz Frosch , Michael Amling , Thorsten Schinke , Johannes Keller

The neuropeptide calcitonin gene-related peptide alpha is essential for bone healing.

EBioMedicine

Avec: Jessika Appelt , Anke Baranowsky , Denise Jahn , Timur Yorgan , Paul Köhli , Ellen Otto , Saeed Khomeijani Farahani , Frank Graef , Melanie Fuchs , Aarón Herrera , Michael Amling , Thorsten Schinke , Karl-Heinz Frosch , Georg N Duda , Serafeim Tsitsilonis , Johannes Keller

Does the Calcaneus Serve as Hypomochlion within the Lower Limb by a Myofascial Connection?-A Systematic Review.

Life (Basel, Switzerland)

Avec: Luise Weinrich , Melissa Paraskevaidis , Robert Schleip , Alison N Agres , Serafeim Tsitsilonis

Future Perspectives in Spinal Cord Repair: Brain as Saviour? TSCI with Concurrent TBI: Pathophysiological Interaction and Impact on MSC Treatment.

Cells

Avec: Paul Köhli , Ellen Otto , Denise Jahn , Marie-Jacqueline Reisener , Jessika Appelt , Adibeh Rahmani , Nima Taheri , Johannes Keller , Matthias Pumberger , Serafeim Tsitsilonis

Retrospective analysis of treatment decisions and clinical outcome of Lisfranc injuries: operative vs. conservative treatment.

International orthopaedics

Avec: Josefine Graef , Serafeim Tsitsilonis , Marcel Niemann , Tobias Gehlen , Pascal Nadler , Frank Graef

The use of online video consultations in the aftercare of orthopedic patients: a prospective case-control study.

BMC musculoskeletal disorders

Avec: K Estel , G Weber , F Fellmer , L Richter , S Tsitsilonis , C Willy , D A Back

Epidemiology, Injury Severity, and Pattern of Standing E-Scooter Accidents: 6-Month Experience from a German Level I Trauma Center.

Clinics in orthopedic surgery

Avec: Frank Graef , Christian Doll , Marcel Niemann , Serafeim Tsitsilonis , Ulrich Stöckle , Karl F Braun , Jonas Wüster , Sven Märdian

Increasing grades of frontal deformities in knee osteoarthritis are not associated with ligamentous ankle instabilities.

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA

Avec: F Graef , M Rühling , C Gwinner , H Hommel , S Tsitsilonis , C Perka

Standardized protocol and outcome measurements for the collagen antibody-induced arthritis mouse model.

STAR protocols

Avec: Tazio Maleitzke , Jérôme Weber , Alexander Hildebrandt , Tamara Dietrich , Sijia Zhou , Serafeim Tsitsilonis , Johannes Keller

The FRISK (Fracture Risk)-A New Tool to Indicate the Probability of Fractures.

International journal of environmental research and public health

Avec: Florian Wichlas , Franziska Melanie Hahn , Serafeim Tsitsilonis , Tobias Lindner , Tim Marnitz , Christian Deininger , Valeska Hofmann

Emergency thoracotomies in traumatic cardiac arrests following blunt trauma - experiences from a German level I trauma center.

European journal of trauma and emergency surgery : official publication of the European Trauma Society

Avec: Marcel Niemann , Frank Graef , Fabienne Hahn , Elisa Celine Schilling , Tazio Maleitzke , Serafeim Tsitsilonis , Ulrich Stöckle , Sven Märdian

Periprosthetic Joint Infections of the Knee Lastingly Impact the Bone Homeostasis.

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research

Avec: Evgeniya Bandick , Lara Biedermann , Yi Ren , Stefanie Donner , Mario Thiele , Gabriela Korus , Serafeim Tsitsilonis , Michael Müller , Georg Duda , Carsten Perka , Arne Kienzle

The selective norepinephrine reuptake inhibitor reboxetine promotes late-stage fracture healing in mice.

iScience

Avec: Antonia Donat , Shan Jiang , Weixin Xie , Paul Richard Knapstein , Lilly-Charlotte Albertsen , Judith Luisa Kokot , Jan Sevecke , Ruben Augustin , Denise Jahn , Timur Alexander Yorgan , Karl-Heinz Frosch , Serafeim Tsitsilonis , Anke Baranowsky , Johannes Keller

The dual pro-inflammatory and bone-protective role of calcitonin gene-related peptide alpha in age-related osteoarthritis.

Arthritis research & therapy

Avec: Alexander Hildebrandt , Tamara Dietrich , Jérôme Weber , Mara Meyer Günderoth , Sijia Zhou , Florian N Fleckenstein , Shan Jiang , Tobias Winkler , Georg N Duda , Serafeim Tsitsilonis , Johannes Keller , Tazio Maleitzke

Increased cancellous bone mass accompanies decreased cortical bone mineral density and higher axial deformation in femurs of leptin-deficient obese mice.

Journal of the mechanical behavior of biomedical materials

Avec: F Graef , Y Wei , A Garbe , R Seemann , M Zenzes , S Tsitsilonis , G N Duda , P Zaslansky

Réseau de co-auteurs

Serafeim Tsitsilonis 42 collaborations

Johannes Keller 19 collaborations

Denise Jahn 16 collaborations

Jessika Appelt 15 collaborations

Frank Graef 14 collaborations

Anke Baranowsky 12 collaborations

Ellen Otto 11 collaborations

Georg N Duda 10 collaborations

Karl-Heinz Frosch 9 collaborations

Tazio Maleitzke 9 collaborations

Shan Jiang 9 collaborations

Ulrich Stöckle 8 collaborations

Paul Köhli 8 collaborations

Alexander Hildebrandt 6 collaborations

Jérôme Weber 6 collaborations

Tamara Dietrich 6 collaborations

Sven Märdian 6 collaborations

Tobias Gehlen 6 collaborations

Melanie Fuchs 6 collaborations

Marcel Niemann 6 collaborations

Antonia Donat 5 collaborations

Thorsten Schinke 5 collaborations

Dario Zocholl 4 collaborations

Georg Duda 4 collaborations

Cordula Erdmann 4 collaborations

Florian Wichlas 3 collaborations

Katharina Schmidt-Bleek 3 collaborations

David Alexander Back 3 collaborations

Paul Richard Knapstein 3 collaborations

Jan Sevecke 3 collaborations

Adibeh Rahmani 3 collaborations

Weixin Xie 3 collaborations

Timur Yorgan 3 collaborations

Michael Amling 3 collaborations

Sijia Zhou 3 collaborations

Carsten Perka 2 collaborations

Serafim Tsitsilonis 2 collaborations

Christian Deininger 2 collaborations

D A Back 2 collaborations

K Estel 2 collaborations

C Willy 2 collaborations

Paul Knapstein 2 collaborations

Julian Scherer 2 collaborations

Yasmin Youssef 2 collaborations

Sven Maerdian 2 collaborations

Alison N Agres 2 collaborations

Florian Nima Fleckenstein 2 collaborations

Luise Weinrich 2 collaborations

Tobias Lindner 2 collaborations

Alina Bahn 2 collaborations

Christine Graffmann 2 collaborations

Mayla Rickert 2 collaborations

Lawik Revend 2 collaborations

Quin Küttner 2 collaborations

Jason Witte 2 collaborations

Andranik Ivanov 2 collaborations

Mireille Ngokingha Tchouto 2 collaborations

Dieter Beule 2 collaborations

Dominik Pförringer 2 collaborations

David A Back 2 collaborations

C Perka 2 collaborations

H Hommel 2 collaborations

Karl F Braun 2 collaborations

Peter Ludewig 2 collaborations

Tobias Winkler 2 collaborations

Christian Kleber 2 collaborations

Mara Meyer Günderoth 2 collaborations

F Graef 2 collaborations

Paul-Richard Knapstein 1 collaboration

Hagen Hommel 1 collaboration

Roman Falk 1 collaboration

Robert Karl Zahn 1 collaboration

S Manegold 1 collaboration

A Springer 1 collaboration

S Märdia 1 collaboration

Michela Delli Guanti 1 collaboration

Gino Strada 1 collaboration

Sufian Ahmad 1 collaboration

Ulf Culemann 1 collaboration

Mark Heyland 1 collaboration

D Pförringer 1 collaboration

J Bachner 1 collaboration

None None 1 collaboration

H P Becker 1 collaboration

Anja Garbe 1 collaboration

Tim Lünnemann 1 collaboration

Ricarda Seemann 1 collaboration

Kristina Tseneva 1 collaboration

David Baur 1 collaboration

Koroush Kabir 1 collaboration

Georg Osterhoff 1 collaboration

Felix Fellmer 1 collaboration

Katharina Estel 1 collaboration

A G Digitalisierung 1 collaboration

Sven Geissler 1 collaboration

Sara Checa 1 collaboration

Ansgar Petersen 1 collaboration

Sebastian Manegold 1 collaboration

Sebastian Kopf 1 collaboration

Fabian Plachel 1 collaboration

Zhaoxiong Chen 1 collaboration

Silvan Wittenberg 1 collaboration

Timo Alexander Auer 1 collaboration

Maxim Bashkuev 1 collaboration

Pimrapat Gebert 1 collaboration

Uli Fehrenbach 1 collaboration

Dominik Geisel 1 collaboration

Christian H Bucher 1 collaboration

Marlene Rühling 1 collaboration

Michael Dahne 1 collaboration

Judith Müchler 1 collaboration

Michael Mülleder 1 collaboration

Florian Dittrich 1 collaboration

Urs-Vito Albrecht 1 collaboration

Jochen Jung 1 collaboration

Stefan Landgraeber 1 collaboration

Sascha Beck 1 collaboration

David Matusiewicz 1 collaboration

R Falk 1 collaboration

R K Zahn 1 collaboration

Stefanie Menzel 1 collaboration

Pascal Niemann 1 collaboration

Liv Tetteh 1 collaboration

Kai K Albrecht 1 collaboration

Jack Winneberger 1 collaboration

Lana Rosenthal 1 collaboration

Julius Maximilian Plewe 1 collaboration

Michael Hetz 1 collaboration

Tareq Juratli 1 collaboration

Oliver Tiebel 1 collaboration

Moritz Tobias Giesecke 1 collaboration

Hanns-Christoph Held 1 collaboration

Franziska Beyer 1 collaboration

Annette Aigner 1 collaboration

Katharina Hohlbaum 1 collaboration

Julia C Berkmann 1 collaboration

Aaron X Herrera Martin 1 collaboration

Agnes Ellinghaus 1 collaboration

Claudia Schlundt 1 collaboration

Hanna Schell 1 collaboration

Evi Lippens 1 collaboration

Tobias Lange 1 collaboration

Puja Pandey 1 collaboration

Daniela Keller 1 collaboration

Thomas Rose 1 collaboration

Daniela Schetler 1 collaboration

Sonja Braumüller 1 collaboration

Markus Huber-Lang 1 collaboration

Saeed Khomeijani Farahani 1 collaboration

Aarón Herrera 1 collaboration

Melissa Paraskevaidis 1 collaboration

Robert Schleip 1 collaboration

Marie-Jacqueline Reisener 1 collaboration

Nima Taheri 1 collaboration

Matthias Pumberger 1 collaboration

Josefine Graef 1 collaboration

Pascal Nadler 1 collaboration

G Weber 1 collaboration

F Fellmer 1 collaboration

L Richter 1 collaboration

Christian Doll 1 collaboration

Jonas Wüster 1 collaboration

M Rühling 1 collaboration

C Gwinner 1 collaboration

Franziska Melanie Hahn 1 collaboration

Tim Marnitz 1 collaboration

Valeska Hofmann 1 collaboration

Fabienne Hahn 1 collaboration

Elisa Celine Schilling 1 collaboration

Evgeniya Bandick 1 collaboration

Lara Biedermann 1 collaboration

Yi Ren 1 collaboration

Stefanie Donner 1 collaboration

Mario Thiele 1 collaboration

Gabriela Korus 1 collaboration

Michael Müller 1 collaboration

Arne Kienzle 1 collaboration

Lilly-Charlotte Albertsen 1 collaboration

Judith Luisa Kokot 1 collaboration

Ruben Augustin 1 collaboration

Timur Alexander Yorgan 1 collaboration

Florian N Fleckenstein 1 collaboration

Y Wei 1 collaboration

A Garbe 1 collaboration

R Seemann 1 collaboration

M Zenzes 1 collaboration

G N Duda 1 collaboration

P Zaslansky 1 collaboration