1. Cryotherapie endobronchique: techniques et indications;Vergnon;Rev Mal Respir,1999
2. Cryosurgery in the treatment of cancer;Gage;Surgical Gynecology and Obstetrics,1992
3. Tracheobronchial endoscopic cryotherapy in chest medicine;Homasson,1992
4. Experimental and clinical experience with gastric freezing;Ritchie;JAMA,1966
5. Observations on the temperature causing mucosal damage in the dog during gastric freezing;Lennard-Jones;Gut,1966