title: Gel electrophoresis of amniotic-fluid acetylcholinesterase and open neural tube defect.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis*; D000653:Amniotic Fluid / Q000201:enzymology*; D004591:Electrophoresis, Polyacrylamide Gel; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins; D000110:Acetylcholinesterase