title: Clinical studies on lecithin/sphingomyelin ratio.
mesh_terms: D000328:Adult; D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis; D001663:Bilirubin / Q000032:analysis; D003404:Creatinine / Q000032:analysis; D036861:Delivery, Obstetric; D005260:Female; D005315:Fetal Diseases / Q000378:metabolism; D005333:Fetus / Q000502:physiology; D005865:Gestational Age; D005947:Glucose / Q000032:analysis; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009929:Organ Size; D010713:Phosphatidylcholines / Q000032:analysis*; D010920:Placenta / Q000502:physiology; D010927:Placental Insufficiency / Q000378:metabolism; D011225:Pre-Eclampsia / Q000378:metabolism; D011247:Pregnancy; D011248:Pregnancy Complications / Q000378:metabolism*; D011254:Pregnancy in Diabetics / Q000378:metabolism; D011663:Pulmonary Surfactants / Q000032:analysis*; D013109:Sphingomyelins / Q000032:analysis*
chemical_list: D010713:Phosphatidylcholines; D011663:Pulmonary Surfactants; D013109:Sphingomyelins; D003404:Creatinine; D005947:Glucose; D001663:Bilirubin