title: Screening for neural tube defect: false positive findings on ultrasound and in amniotic fluid.
mesh_terms: D000110:Acetylcholinesterase / Q000378:metabolism; D000328:Adult; D000653:Amniotic Fluid / Q000032:analysis*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D007527:Isoenzymes / Q000378:metabolism; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods; D014424:Turner Syndrome / Q000175:diagnosis; D014463:Ultrasonography; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D007527:Isoenzymes; D000509:alpha-Fetoproteins; D000110:Acetylcholinesterase