title: [Studies on the origin and clinical significance of smear-positive and culture-negative tubercle bacilli].
mesh_terms: D000328:Adult; D000368:Aged; D000995:Antitubercular Agents / Q000494:pharmacology; D003470:Culture Media; D004352:Drug Resistance, Microbial; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009169:Mycobacterium tuberculosis / Q000187:drug effects / Q000302:isolation & purification*; D013183:Sputum / Q000382:microbiology*; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy / Q000382:microbiology*
chemical_list: D000995:Antitubercular Agents; D003470:Culture Media