Ultrasound in Obstetrics & Gynecology
Ultrasound in Obstetrics & Gynecology > 36 > 3 > 268 - 271
Ultrasound in Obstetrics & Gynecology > 38 > 6 > 722 - 726
Ultrasound in Obstetrics & Gynecology > 39 > 2 > 164 - 168
Ultrasound in Obstetrics & Gynecology > 40 > 2 > 140 - 144
Ultrasound in Obstetrics & Gynecology > 55 > 1 > 81 - 86