1. Endoscopic appendectomy;Wirtschafter;Gastrointest Endosc,1976
2. Endoscopic removal of an ulcerated appendiceal stump;Mass;JAMA,1978
3. Colonoscopic appendectomy. Report of two cases;Enandler;Acta Chir Scand,1979
4. Colonoscopic appendectomy;Gaylord;Gastrointest Endosc,1981
5. Endoscopic removal of an intussuscepted appendix mimicking a polyp: an endoscopic hazard;Fazio;Am J Gastroenterol,1982