1. Peranal dilatation of postsurgical stenosis by means of flexible endoscope;Thies;Endoscopy,1983
2. Colon Nachttechnik: Einreihige Nacht;Langer;Langenbecks Arch Chir,1978
3. Norberto L, Cusumano A, De Santis L, Sandei F, Terranova O. Le traitement endoscopique des stenoses du colon. Fifth International Symposium of Digestive Endoscopy, Brusseles, April 21-23, 1982.
4. Operative endos copy of the digestive tract;Bedogni,1984
5. Viceconte G, Pietropaolo V, Viceconte GW. II trattamento endoscopico delle stenosi cicatriziali postoperatorie del colon. Abstract, Simpsio Nazionale SIED, Catania, 1982.