Modified method for estimating the lecithin/sphingomyelin ratio in amniotic fluid.
D000653:Amniotic Fluid / Q000032:analysis*; D002855:Chromatography, Thin Layer; D005260:Female; D006801:Humans; D008722:Methods; D010713:Phosphatidylcholines / Q000032:analysis*; D011247:Pregnancy; D013109:Sphingomyelins / Q000032:analysis*
D010713:Phosphatidylcholines; D013109:Sphingomyelins