A mass miniature x-ray and tuberculin-testing survey in Durban industry; a preliminary report.
D006801:Humans; D008168:Lung; D013019:South Africa; 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