title: Fiberoptic bronchoscopy and sputum-negative tuberculosis.
mesh_terms: D001706:Biopsy; D001980:Bronchi / Q000473:pathology; D020680:Bronchoscopes; D001999:Bronchoscopy; D005336:Fiber Optic Technology; D006801:Humans; D013902:Radiography, Thoracic; D013183:Sputum / Q000382:microbiology; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*