Preventive treatment for tuberculosis in elderly persons.
D000368:Aged; D000369:Aged, 80 and over; D056486:Chemical and Drug Induced Liver Injury / Q000453:epidemiology*; D006801:Humans; D007538:Isoniazid / Q000009:adverse effects / Q000627:therapeutic use*; D008875:Middle Aged; D014374:Tuberculin Test; D014376:Tuberculosis / Q000517:prevention & control*
D007538:Isoniazid