Search results
Ultrasound in Obstetrics & Gynecology > 44 > 5 > 595 - 599
American Journal of Obstetrics and Gynecology > 2011 > 204 > 4 > 288-300
American Journal of Obstetrics and Gynecology > 2009 > 201 > 1 > 28.e1-28.e8
American Journal of Obstetrics and Gynecology > 2009 > 201 > 1 > 25.e1-25.e7