title: Correlations between the lecithin-sphingomyelin ratio in the amniotic fluid, data from pregnancy and birth, and the idiopathic respiratory distress syndrome.
mesh_terms: D000028:Abortion, Induced; D000653:Amniotic Fluid / Q000032:analysis*; D000740:Anemia / Q000378:metabolism; D001238:Asphyxia Neonatorum / Q000378:metabolism; D001724:Birth Weight; D004964:Estriol / Q000097:blood; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010713:Phosphatidylcholines / Q000032:analysis*; D010922:Placenta Diseases / Q000378:metabolism; D010928:Placental Lactogen / Q000097:blood; D011225:Pre-Eclampsia / Q000378:metabolism; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000378:metabolism; D011663:Pulmonary Surfactants / Q000032:analysis; D012127:Respiratory Distress Syndrome, Newborn / Q000209:etiology*; D012907:Smoking / Q000150:complications; D013109:Sphingomyelins / Q000032:analysis*
chemical_list: D010713:Phosphatidylcholines; D011663:Pulmonary Surfactants; D013109:Sphingomyelins; D010928:Placental Lactogen; D004964:Estriol