title: [A simplified fast method for the determination of the lecithin/sphingomyelin index].
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D002855:Chromatography, Thin Layer / Q000379:methods*; D005260:Female; D006801:Humans; D008168:Lung / Q000254:growth & development; D010713:Phosphatidylcholines / Q000032:analysis*; D011247:Pregnancy; D013109:Sphingomyelins / Q000032:analysis*
chemical_list: D010713:Phosphatidylcholines; D013109:Sphingomyelins
vernacular_title: Método rápido y simplificado para la determinación del indice de lecitina/esfingomielina.