title: Amniotic fluid shake test versus lecithin-sphingomyelin ratio in the antenatal prediction of respiratory distress syndrome.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis*; D001724:Birth Weight; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000378:metabolism; D008722:Methods; D010713:Phosphatidylcholines / Q000032:analysis* / Q000378:metabolism; D011296:Prenatal Diagnosis; D011663:Pulmonary Surfactants / Q000378:metabolism; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis* / Q000453:epidemiology; D013109:Sphingomyelins / Q000032:analysis*
chemical_list: D010713:Phosphatidylcholines; D011663:Pulmonary Surfactants; D013109:Sphingomyelins