title: Amniotic fluid proteins in relation to fetal maturity.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D004591:Electrophoresis, Polyacrylamide Gel; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011506:Proteins / Q000032:analysis*
chemical_list: D011506:Proteins