title: A comparative study on short course chemotherapy in sputum negative pulmonary tuberculosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004359:Drug Therapy, Combination; D004977:Ethambutol / Q000009:adverse effects / Q000627:therapeutic use*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007538:Isoniazid / Q000009:adverse effects / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D013828:Thioacetazone / Q000009:adverse effects / Q000627:therapeutic use*; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy*
chemical_list: D004977:Ethambutol; D013828:Thioacetazone; D007538:Isoniazid