[On the differentiation of a natural positive reaction and BCG positive reaction].
D001500:BCG Vaccine; D006801:Humans; D055633:Immune System Phenomena; D009163:Mycobacterium bovis; D014373:Tuberculin; D014374:Tuberculin Test; D014611:Vaccination
D001500:BCG Vaccine; D014373:Tuberculin
BCG VACCINATION; TUBERCULIN REACTION