@Article{ MENDOZA_Lobo_Lertxundi_Correa_Gonzalez_Salamanca-Ballesteros_SÁNCHEZ-BORREGO:321-339,
author = { NICOLAS MENDOZA LADRON DE GUEVARA and P Lobo and R Lertxundi and M Correa and E Gonzalez and Alberto Salamanca-Ballesteros and R SÁNCHEZ-BORREGO } ,
title = { Extended regimens of combined hormonal contraception to reduce symptoms related to withdrawal bleeding and the hormone-free interval: a systematic review of randomised and observational studies },
journal = { The European Journal of Contraception & Reproductive Health Care },
year = { 2014 },
volume = { 19 },
pages = { 321-339 },
}