Observation on tuberculin hypersensitivity in school children and on preventative application of INH.
D002648:Child; D004342:Drug Hypersensitivity; D006801:Humans; D055633:Immune System Phenomena; D007538:Isoniazid / Q000627:therapeutic use*; D014373:Tuberculin; D014374:Tuberculin Test
D014373:Tuberculin; D007538:Isoniazid
ISONIAZID/therapeutic use; TUBERCULIN REACTION