[Problem of efficay of anti-tuberculosis BCG vaccination in Bulgaria].
D001500:BCG Vaccine; D002031:Bulgaria; D006801:Humans; D009163:Mycobacterium bovis; D014376:Tuberculosis; D014611:Vaccination
D001500:BCG Vaccine
BCG VACCINATION
Prinos kum vuprosa za efikasnostta na protivotuberkuloznata vaksinatsiia u BTSZH nas.