TUBERCULIN REACTORS AFTER TWELVE YEARS.
D000293:Adolescent; D002648:Child; D006801:Humans; D055633:Immune System Phenomena; D008403:Mass Screening; D012572:School Health Services; D014373:Tuberculin; D014374:Tuberculin Test; D014922:Wisconsin
D014373:Tuberculin
ADOLESCENCE; CHILD; MASS SCREENING; SCHOOL HEALTH; TUBERCULIN TEST; WISCONSIN