Diagnostic value of fibreoptic bronchoscopy in sputum smear-negative pulmonary tuberculosis.
D000328:Adult; D000368:Aged; D001999:Bronchoscopy; D005336:Fiber Optic Technology; D006801:Humans; D008297:Male; D008875:Middle Aged; D013183:Sputum / Q000382:microbiology; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*