[Estimation of fetal lung maturity].
D000653:Amniotic Fluid / Q000032:analysis*; D003404:Creatinine / Q000032:analysis; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000196:embryology*; D010713:Phosphatidylcholines / Q000032:analysis*; D011247:Pregnancy; D011663:Pulmonary Surfactants / Q000032:analysis; D012127:Respiratory Distress Syndrome, Newborn / Q000517:prevention & control; D013109:Sphingomyelins / Q000032:analysis*
D010713:Phosphatidylcholines; D011663:Pulmonary Surfactants; D013109:Sphingomyelins; D003404:Creatinine