title: Amniotic fluid phospholipids and fetal maturity.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D001724:Birth Weight; D002855:Chromatography, Thin Layer; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D010713:Phosphatidylcholines / Q000032:analysis; D010743:Phospholipids / Q000032:analysis*; D011247:Pregnancy; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis; D013109:Sphingomyelins / Q000032:analysis; D013997:Time Factors
chemical_list: D010713:Phosphatidylcholines; D010743:Phospholipids; D013109:Sphingomyelins