title: Difficulties in interpretation of AChE gel results in third trimester pregnancies.
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis*; D000653:Amniotic Fluid / Q000201:enzymology*; D005260:Female; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011263:Pregnancy Trimester, Third
chemical_list: D000110:Acetylcholinesterase