Use of ultrasound in obstetrics.
Khawli
O F
OF
Northeastern Ohio Universities College of Medicine, Youngstown.
Rothschild
B M
BM
D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging; D005544:Forecasting; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D016216:Ultrasonography, Prenatal / Q000639:trends