title: [Comparative study of viable units of BCG vaccine].
mesh_terms: D001500:BCG Vaccine / Q000032:analysis*; D008722:Methods; D008828:Microbiological Techniques; D009163:Mycobacterium bovis / Q000145:classification
chemical_list: D001500:BCG Vaccine
vernacular_title: Estudio comparativo de las unidades viables de la vacuna B.C.G.