Wyniki wyszukiwania dla: Roberto Romero
Journal of Midwifery & Women's Health > 56 > 2 > 132 - 136
European Journal of Obstetrics and Gynecology > 2008 > 141 > 1 > 13-17
American Journal of Obstetrics and Gynecology > 2008 > 199 > 4 > 417.e1-417.e9
Contraception > 2007 > 76 > 6 > 451-455