Search results for: R. Cooper
American Journal of Obstetrics and Gynecology > 2009 > 201 > 6 > 625-627
American Journal of Obstetrics and Gynecology > 2009 > 201 > 6 > e1-e4
American Journal of Obstetrics and Gynecology > 2002 > 186 > 3 > 422-426
American Journal of Obstetrics and Gynecology > 1996 > 175 > 6 > 1626-1631