[Effectiveness of vaccination in the reduction of tuberculosis occurence].
D001500:BCG Vaccine; D002648:Child; D002675:Child, Preschool; D006801:Humans; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*
D001500:BCG Vaccine
Effektivnost' vaktsinatsii deteĭ v usloviiakh uluchshaiushcheĭsia epidemiologicheskoĭ obstanovki po tuberkulezu.