1. History of the rigid bronchoscope;Becker,2000
2. Broncoscopia rígida y cuerpos extraños en las vías aéreas;Sauret Valet;Arch Bronconeumol,2002
3. A new rigid bronchoscope with a measuring tube for pressure and capnometry;Pobloth;Pneumologie,2001
4. Flexible bronchofiberscope;Ikeda;Ann Otol Rhinol Laringol,1970
5. Nd-YAG laser photoresection of low-grade malignant tumours of the tracheobronchial tree;Díaz Jiménez;Chest,1997