American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 1995 > 172 > 3 > 856-863
American Journal of Obstetrics and Gynecology > 1995 > 173 > 5 > 1523-1527
American Journal of Obstetrics and Gynecology > 1996 > 175 > 4 Part 1 > 937-944
American Journal of Obstetrics and Gynecology > 1997 > 177 > 2 > 342-349
American Journal of Obstetrics and Gynecology > 1997 > 177 > 4 > 953-958
American Journal of Obstetrics and Gynecology > 1998 > 178 > 3 > 484-490
American Journal of Obstetrics and Gynecology > 1998 > 179 > 3 > 788-793
American Journal of Obstetrics and Gynecology > 1998 > 179 > 4 > 974-977
American Journal of Obstetrics and Gynecology > 1999 > 181 > 5 > 1079-1082
American Journal of Obstetrics and Gynecology > 1999 > 181 > 6 > 1552-1559
American Journal of Obstetrics and Gynecology > 2001 > 184 > 2 > 175-184
American Journal of Obstetrics and Gynecology > 2001 > 184 > 2 > 117-122
American Journal of Obstetrics and Gynecology > 2003 > 189 > 2 > 601-608
American Journal of Obstetrics and Gynecology > 2005 > 192 > 6 > 2041-2044
American Journal of Obstetrics and Gynecology > 2006 > 194 > 3 > 884-887
American Journal of Obstetrics and Gynecology > 2006 > 195 > 3 > 848-850
American Journal of Obstetrics and Gynecology > 2014 > 211 > 3 > 303.e1-303.e5
American Journal of Obstetrics and Gynecology > 2014 > 211 > 4 > 434.e1-434.e7
American Journal of Obstetrics and Gynecology > 2015 > 213 > 3 > 410.e1-410.e6