title: Evidence that fetal lung fluid and phospholipids pass into amniotic fluid in late human pregnancy.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D001826:Body Fluids / Q000032:analysis*; D002712:Chlorides / Q000032:analysis; D002855:Chromatography, Thin Layer; D003720:Densitometry; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D008168:Lung / Q000032:analysis*; D009584:Nitrogen / Q000032:analysis; D010713:Phosphatidylcholines / Q000032:analysis; D010743:Phospholipids / Q000032:analysis*; D011247:Pregnancy; D012964:Sodium / Q000032:analysis; D013109:Sphingomyelins / Q000032:analysis; D014508:Urea / Q000032:analysis
chemical_list: D002712:Chlorides; D010713:Phosphatidylcholines; D010743:Phospholipids; D013109:Sphingomyelins; D014508:Urea; D012964:Sodium; D009584:Nitrogen