title: Early amniocentesis: alphafetoprotein levels in amniotic fluid, extraembryonic coelomic fluid and maternal serum between 8 and 13 weeks.
authors.forename: P P
authors.initials: PP
authors.lastname: Fogarty
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000737:chemistry*; D005260:Female; D006801:Humans; D011247:Pregnancy / Q000097:blood*; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins