Screening for neural tube defects.
Walpole
I R
IR
Pemberton
P J
PJ
Goldblatt
J
J
Bower
C
C
D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D009436:Neural Tube Defects / Q000000981:diagnostic imaging*; D011247:Pregnancy; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal