title: Prediction of fetal lung maturity.
mesh_terms: D005333:Fetus / Q000378:metabolism*; D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000378:metabolism*; D010713:Phosphatidylcholines / Q000032:analysis*; D012127:Respiratory Distress Syndrome, Newborn / Q000378:metabolism; D013109:Sphingomyelins / Q000032:analysis*
chemical_list: D010713:Phosphatidylcholines; D013109:Sphingomyelins