Prenatal ultrasound screening and perinatal outcome.
Haddow
J E
JE
Knight
G J
GJ
Palomaki
G E
GE
D005260:Female; D005865:Gestational Age; D006801:Humans; D009436:Neural Tube Defects / Q000000981:diagnostic imaging / Q000196:embryology; D011247:Pregnancy; D011256:Pregnancy Outcome; D016216:Ultrasonography, Prenatal