POLMONARY PAPERS

• Endoscopic cryotherapy of tracheal and bronchial tumors - more than ten years experience (M Pesek, I Bruha, M Terl, J Straus Plzcn
• Cryotherapy for Tracheobronchial Carcinoma M 0 (aa.vv.)
• Compared indications of cryosurgery and high frequency thermocoagulation for the treatment of tracheobronchial lesions. Competitive or complementary methods? (aa.vv.)