Screening for neural tube defects.
Ellwood
D A
DA
D001315:Australia; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D000509:alpha-Fetoproteins / Q000032:analysis
D000509:alpha-Fetoproteins