Screening for neural-tube defects.
D000649:Amniocentesis / Q000191:economics / Q000523:psychology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009436:Neural Tube Defects / Q000517:prevention & control*; D011247:Pregnancy; D006113:United Kingdom; D000509:alpha-Fetoproteins / Q000032:analysis
D000509:alpha-Fetoproteins