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