Use of fibreoptic bronchoscopy in early diagnosis of sputum smear-negative pulmonary tuberculosis
Hoi-Yee Kwan, Susanna Lau, Kah-Lin Choo, Wai-Kei Lam, Chun-Man Wong, Chin-Wing Yu, Tze-Lun Wong, Wing-Yan Chu, Kwan-Keung Wong
European Respiratory Journal 2011 38: p4392; DOI: