Incidence of tuberculosis in the schoolchildren of the Umzimkulu District.
D000293:Adolescent; D002648:Child; D006266:Health Education; D006801:Humans; D007538:Isoniazid / Q000627:therapeutic use; D012424:Rural Population; D013019:South Africa; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology* / Q000517:prevention & control
D007538:Isoniazid