Amniotic fluid acetylcholinesterase.
D000110:Acetylcholinesterase / Q000032:analysis*; D000653:Amniotic Fluid / Q000201:enzymology*; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D013053:Spectrophotometry / Q000379:methods
D000110:Acetylcholinesterase