title: Vitamin B6 deficiency following isoniazid therapy.
mesh_terms: D006801:Humans; D007538:Isoniazid / Q000009:adverse effects*; D009422:Nervous System Diseases / Q000209:etiology*; D014376:Tuberculosis / Q000188:drug therapy; D026681:Vitamin B 6 Deficiency / Q000209:etiology*
chemical_list: D007538:Isoniazid