title: Alpha-fetoprotein and AChE in early amniocentesis.
authors.forename: B
authors.initials: B
authors.lastname: Eiben
authors.forename: R
authors.initials: R
authors.lastname: Goebel
authors.forename: S
authors.initials: S
authors.lastname: Hansen
authors.forename: W
authors.initials: W
authors.lastname: Hammans
mesh_terms: D000110:Acetylcholinesterase / Q000032:analysis*; D000649:Amniocentesis; D005260:Female; D005865:Gestational Age; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins; D000110:Acetylcholinesterase