title: [Method of cylinders on plates for the determination of B 12 pharmaceutical preparations].
mesh_terms: D001938:Brazil; D004335:Drug and Narcotic Control; D007880:Legislation, Drug; D008722:Methods; D004364:Pharmaceutical Preparations / Q000032:analysis*; D014805:Vitamin B 12 / Q000032:analysis*
chemical_list: D004364:Pharmaceutical Preparations; D014805:Vitamin B 12
vernacular_title: Método dos cilindros em placas para doseamento de vitamina B12 em preparaçoes farmaceuticas