title: [Efficacy of BCG vaccination and tuberculosis infection rate among young children].
mesh_terms: D001500:BCG Vaccine; D002675:Child, Preschool; D006801:Humans; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*
chemical_list: D001500:BCG Vaccine
vernacular_title: Effektivnost' vaktsinatsii BTsZh i infitsirovannost' tuberkulezom deteĭ rannego vozrasta.