title: Human amniotic fluid lecithin-sphingomyelin ratio changes with estrogen or glucocorticoid treatment.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis*; D004967:Estrogens / Q000627:therapeutic use*; D005260:Female; D005315:Fetal Diseases / Q000188:drug therapy*; D005333:Fetus / Q000378:metabolism; D005938:Glucocorticoids / Q000627:therapeutic use*; D006801:Humans; D008168:Lung / Q000196:embryology; D010713:Phosphatidylcholines / Q000032:analysis*; D011247:Pregnancy; D011663:Pulmonary Surfactants / Q000096:biosynthesis; D013109:Sphingomyelins / Q000032:analysis*
chemical_list: D004967:Estrogens; D005938:Glucocorticoids; D010713:Phosphatidylcholines; D011663:Pulmonary Surfactants; D013109:Sphingomyelins