title: Measurement of acetylcholinesterase in amniotic fluid.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis*; D000653:Amniotic Fluid / Q000201:enzymology*; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D008722:Methods; D009436:Neural Tube Defects / Q000175:diagnosis; D011247:Pregnancy
chemical_list: D000110:Acetylcholinesterase