title: Prenatal diagnosis of open neural tube defects.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis; D000653:Amniotic Fluid / Q000032:analysis; D002448:Cell Adhesion; D004796:Clinical Enzyme Tests; D003208:Concanavalin A; D005189:False Positive Reactions; D005260:Female; D005865:Gestational Age; D006801:Humans; D008431:Maternal-Fetal Exchange; D009436:Neural Tube Defects / Q000175:diagnosis* / Q000201:enzymology; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D011446:Prospective Studies; D011863:Radioimmunoassay; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins; D003208:Concanavalin A; D000110:Acetylcholinesterase