TUBERCULOSIS SURVEY OF ASIATIC, COLOURED AND BANTU SCHOOL CHILDREN IN JOHANNESBURG.
D000293:Adolescent; D001500:BCG Vaccine; D002648:Child; D006801:Humans; D008400:Mass Chest X-Ray; D009163:Mycobacterium bovis; D013019:South Africa; D013223:Statistics as Topic; D014374:Tuberculin Test; D014376:Tuberculosis; D014611:Vaccination
D001500:BCG Vaccine
ADOLESCENCE; BCG VACCINATION; CHILD; MASS CHEST X-RAY; SOUTH AFRICA; STATISTICS; TUBERCULIN TEST; TUBERCULOSIS IN CHILDHOOD