[A good use of Spanish in medical manuscripts].

Wording problems are common in medical literature. The essence of any scientific work is to be understandable. A correct writing technique allows to communicate with the reader in an easy and accessible way, without disregarding proper grammatical and orthographic rules. This work is an updated guideline for the proper writing of biomedical manuscripts in Spanish. It avoids cumbersome grammatical explanations, aiming to become a simple material available for quick consultation.