title: Amniotic fluid tests for fetal neural tube defects.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis; D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis* / Q000166:cytology / Q000201:enzymology; D004796:Clinical Enzyme Tests; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins; D000110:Acetylcholinesterase