title: The newborn gastric aspirate. A substrate for evaluation of fetal pulmonary maturity by the foam test.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D002585:Cesarean Section; D005314:Embryonic and Fetal Development; D005321:Extraembryonic Membranes; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007231:Infant, Newborn; D007234:Infant, Premature; D001239:Inhalation; D008168:Lung / Q000254:growth & development / Q000502:physiology; D011247:Pregnancy; D011663:Pulmonary Surfactants / Q000032:analysis*; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis; D013270:Stomach
chemical_list: D011663:Pulmonary Surfactants