- How to read a paper – BMJ
 - How to Read a Clinical Trial Paper. Gastroenterol Hepatol (NY). 2012. 8: 241–248
 - CAT guide
 - Critical appraisal tools – CEBM
 - PubMed
 - Medicina (Buenos Aires)
 - Insuficiencia Cardíaca
 - Learning Radiology
 - Scielo
 - Pathology Outlines
 - MicrobeWiki (Kenyon College)
 - Blog sobre APS
 - Anatomía por imágenes
 - Framingham heart study
 - RadiMed
 - Statistical tests, P values, confidence intervals, and power: a guide to misinterpretations. European Journal of Epidemiology 2016, 31(4):337-350, doi:10.1007/s10654-016-0149-3 by Sander Greenland, StephenJ Senn, KennethJ Rothman, et al.