title: [Cyanocobalamin. Analysis of colored impurities].
mesh_terms: D002855:Chromatography, Thin Layer; D004340:Drug Contamination; D008722:Methods; D014805:Vitamin B 12 / Q000032:analysis*
chemical_list: D014805:Vitamin B 12
vernacular_title: Cyanocobalamine dosage des impuretés colorées