A program for tuberculosis control in the schools.
D000293:Adolescent; D002648:Child; D006801:Humans; D007538:Isoniazid / Q000627:therapeutic use; D010414:Pennsylvania; D011996:Records; D012572:School Health Services; D014374:Tuberculin Test; D014376:Tuberculosis / Q000175:diagnosis / Q000517:prevention & control*; D014481:United States
D007538:Isoniazid