title: Studies demonstrating the effectiveness of isoniazid in preventing tuberculosis.
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D007538:Isoniazid / Q000627:therapeutic use*; D010919:Placebos; D014374:Tuberculin Test; D014376:Tuberculosis / Q000188:drug therapy*
chemical_list: D010919:Placebos; D007538:Isoniazid