title: A simple method of detecting pulmonary surfactant activity in amniotic fluid.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis*; D000431:Ethanol; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D006819:Hyaline Membrane Disease / Q000175:diagnosis* / Q000378:metabolism; D007231:Infant, Newborn; D007751:Labor, Induced; D008722:Methods; D010713:Phosphatidylcholines / Q000032:analysis; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011663:Pulmonary Surfactants / Q000032:analysis*; D013997:Time Factors
chemical_list: D010713:Phosphatidylcholines; D011663:Pulmonary Surfactants; D000431:Ethanol