American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 364.e1-364.e5
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 344.e1-344.e8
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 356.e1-356.e5
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 346.e1-346.e4
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 309-314
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 382.e1-382.e6
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 337.e1-337.e12
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 317.e1-317.e18
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 392.e1-392.e7
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 370.e1-370.e6
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 378.e1-378.e5
American Journal of Obstetrics and Gynecology > 2011 > 205 > 4 > 366.e1-366.e5