USE OF VOLUNTEERS IN TUBERCULIN TESTING PROGRAM.
D000293:Adolescent; D002648:Child; D006801:Humans; D008403:Mass Screening; D012572:School Health Services; D014373:Tuberculin; D014374:Tuberculin Test; D014838:Volunteers
D014373:Tuberculin
ADOLESCENCE; CHILD; MASS SCREENING; SCHOOL HEALTH; TUBERCULIN TEST