A tuberculin testing and mass miniature x-ray survey of the northern and eastern transvaal.
D003625:Data Collection; D006801:Humans; D014373:Tuberculin; D014374:Tuberculin Test / Q000706:statistics & numerical data*; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*; D014965:X-Rays
D014373:Tuberculin
TUBERCULIN REACTION/statistics; TUBERCULOSIS, PULMONARY/prevention and control