title: Amniotic fluid lecithin-sphingomyelin ratio as an assessment of fetal pulmonary maturity.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D001787:Blood Group Incompatibility; D002855:Chromatography, Thin Layer; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D006819:Hyaline Membrane Disease / Q000378:metabolism; D007231:Infant, Newborn; D008168:Lung / Q000254:growth & development*; D008297:Male; D010713:Phosphatidylcholines / Q000032:analysis* / Q000378:metabolism; D011247:Pregnancy; D011248:Pregnancy Complications; D011254:Pregnancy in Diabetics; D012127:Respiratory Distress Syndrome, Newborn / Q000378:metabolism; D012204:Rh-Hr Blood-Group System; D013109:Sphingomyelins / Q000032:analysis* / Q000378:metabolism
chemical_list: D010713:Phosphatidylcholines; D012204:Rh-Hr Blood-Group System; D013109:Sphingomyelins