Tuberculin skin testing in San Francisco schools as an instrument of tuberculosis casefinding. A five year study.
D002648:Child; D006801:Humans; D012495:San Francisco; D012572:School Health Services; D014373:Tuberculin; D014374:Tuberculin Test; D014376:Tuberculosis
D014373:Tuberculin
SCHOOL HEALTH; TUBERCULIN REACTION; TUBERCULOSIS IN CHILDHOOD