1. History of the rigid bronchoscope;Becker,2000
2. History of bronchoscopy;Edell,1994
3. Flexible bronchofiberscope;Ikeda;Ann Otol,1970
4. ERS/ATS statement on interventional pulmonology;Bolliger;Eur Respir J,2002
5. Interventional pulmonary procedures: guidelines from the American College of Chest Physicians;Ernst;Chest,2003