The tuberculin test in the Johannesburg preschool child.
D001699:Biometry; D002648:Child; D002675:Child, Preschool; D006801:Humans; D013019:South Africa; D014374:Tuberculin Test; D014376:Tuberculosis / Q000453:epidemiology* / Q000706:statistics & numerical data*
TUBERCULOSIS/epidemiology and statistics