title: The usefulness of amniotic fluid lecithin-sphinomyelin ratio in predicting neonatal respiratory problems.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D001724:Birth Weight; D002585:Cesarean Section; D004899:Erythroblastosis, Fetal; D005260:Female; D005431:Florida; D006801:Humans; D006819:Hyaline Membrane Disease / Q000175:diagnosis*; D007226:Infant Mortality; D007231:Infant, Newborn; D010713:Phosphatidylcholines / Q000032:analysis*; D011225:Pre-Eclampsia; D011247:Pregnancy; D011254:Pregnancy in Diabetics; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis*; D013109:Sphingomyelins / Q000032:analysis*; D013997:Time Factors
chemical_list: D010713:Phosphatidylcholines; D013109:Sphingomyelins