title: Molecular weight distribution of amniotic fluid proteins during normal gestation.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis*; D003720:Densitometry; D004591:Electrophoresis, Polyacrylamide Gel; D005260:Female; D005865:Gestational Age; D006801:Humans; D008970:Molecular Weight; D011247:Pregnancy; D011506:Proteins / Q000032:analysis*
chemical_list: D011506:Proteins