title: Diagnosis of the respiratory distress syndrome by amniocentesis.
mesh_terms: D000650:Amnion; D000653:Amniotic Fluid / Q000032:analysis*; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003937:Diagnosis, Differential; D005227:Fatty Acids / Q000032:analysis; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008055:Lipids / Q000032:analysis; D008168:Lung / Q000196:embryology / Q000254:growth & development; D008722:Methods; D010713:Phosphatidylcholines / Q000032:analysis; D010743:Phospholipids / Q000032:analysis*; D011247:Pregnancy; D011650:Pulmonary Alveoli / Q000196:embryology / Q000254:growth & development; D011677:Punctures; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis*; D013109:Sphingomyelins / Q000032:analysis
chemical_list: D005227:Fatty Acids; D008055:Lipids; D010713:Phosphatidylcholines; D010743:Phospholipids; D013109:Sphingomyelins