The Lancet is the world’s leading independent general medical journal. The journal’s coverage is international in focus and extends to all aspects of human health.
The purpose of Contraception is to provide a medium for the rapid communication of advances and new knowledge in all areas of contraception.
La Biblioteca Cochrane Plus promueve el trabajo de la Colaboración Cochrane y de otros organismos que reúnen información fiable para guiar las decisiones en la atención sanitaria