Search results for: Roberto Romero
American Journal of Obstetrics and Gynecology > 2000 > 182 > 6 > 1458-1467
American Journal of Obstetrics and Gynecology > 1998 > 178 > 4 > 678-687
American Journal of Obstetrics and Gynecology > 2000 > 182 > 6 > 1458-1467
American Journal of Obstetrics and Gynecology > 1998 > 178 > 4 > 678-687