title: Discounting, isoniazid, and tuberculosis.
mesh_terms: D000367:Age Factors; D006801:Humans; D007538:Isoniazid / Q000009:adverse effects / Q000627:therapeutic use*; D008017:Life Expectancy; D014376:Tuberculosis / Q000401:mortality / Q000517:prevention & control*
chemical_list: D007538:Isoniazid