Tuberculin testing (Time method). First and seventh grade students, Kanawha County, West Virginia, schools, 1965-1967.
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control; D014903:West Virginia