PUBMED

US National Library of Medicine National Institutes of Health

MIBE

Medicina Interna Basada en la Evidencia

Free Medical Journals

Free access to Medical Journals

U.S. National Library of Medicine

U.S. Department of Health & Human Service

Cochrane Library

SciELO Chile

The New England Journal of Medicine

Journal of the American Medical Association

The Lancet Journals

Annals of Internal Medicine