A tuberculin-testing survey of a school age population in eleven areas in California.
D002140:California; D006801:Humans; D012572:School Health Services; D014373:Tuberculin; D014374:Tuberculin Test; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary
D014373:Tuberculin
SCHOOL HEALTH; TUBERCULIN REACTION; TUBERCULOSIS, PULMONARY