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2. Carcinoma obstructing the trachea: treatment by laser resection;Laforet, E.G.; Berger, R.L.; Vaughan, C.W.;N Engi J Med,1976
3. Role of the neodymium YAG laser in the management of tracheal tumours;George, P.J.M.; Garrett, C.P.O.; Hetzel, M.R.;Thorax,1987
4. Endoscopic applications of lasers in the bronchial tree;Hetzel, M.R.;Br J Hosp Med,1988
5. Laser treatment of tracheobronchial tumours;Hulks, G.; Thomson, N.C.;Scott Med J,1988