Search results
American Journal of Obstetrics and Gynecology > 2000 > 182 > 6 > 1606-1609
Ultrasound in Medicine & Biology > 1998 > 24 > 2 > 197-201
American Journal of Obstetrics and Gynecology > 2000 > 182 > 6 > 1606-1609
Ultrasound in Medicine & Biology > 1998 > 24 > 2 > 197-201