title: A colorimetric method for amniotic fluid phospholipids and their relationship to the respiratory distress syndrome.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D002855:Chromatography, Thin Layer; D003124:Colorimetry; D005260:Female; D005865:Gestational Age; D006801:Humans; D006868:Hydrolysis; D007231:Infant, Newborn; D008722:Methods; D010713:Phosphatidylcholines / Q000032:analysis*; D010743:Phospholipids / Q000032:analysis*; D011247:Pregnancy; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis*; D013109:Sphingomyelins / Q000032:analysis
chemical_list: D010713:Phosphatidylcholines; D010743:Phospholipids; D013109:Sphingomyelins