title: [Comparison between a 9-month regimen and 18-month regimen for the initial treatment of pulmonary tuberculosis patients with a positive sputum culture].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000995:Antitubercular Agents / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D006801:Humans; D008875:Middle Aged; D012008:Recurrence; D013183:Sputum / Q000382:microbiology*; D013997:Time Factors; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy*
chemical_list: D000995:Antitubercular Agents