title: Letter: Molybdenum blue reagent used in determination of the lecithin-sphingomyelin ratio in amniotic fluid.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D002855:Chromatography, Thin Layer; D004355:Drug Stability; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007202:Indicators and Reagents; D008722:Methods; D008982:Molybdenum; D010713:Phosphatidylcholines / Q000032:analysis*; D011247:Pregnancy; D013109:Sphingomyelins / Q000032:analysis*; D013997:Time Factors
chemical_list: D007202:Indicators and Reagents; D010713:Phosphatidylcholines; D013109:Sphingomyelins; D008982:Molybdenum