1. Schottenfeld D. Epidemiology. In Cohen AM and Winawer SJ (ed): Cancer of the Colon, Rectum and Anus. New York: McGraw-Hill; 1995, pp 11–24.
2. Noguchi M, Miyazaki I. Extended lymph node dissection in gastrointestinal cancer. J Surg Oncol 1997; 65: 57–65.
3. Heald RJ, Ryall RD. Recurrence and survival after total mesorectal excision for rectal cancer. Lancet 1996; 2: 1479–1482.
4. Roselli M, Guadagni F, Buonomo O, et al. Clinical value of radiolabeled monoclonal antibodies in the managent of carcinoma patients. In Vivo 1993, 7: 615–622.
5. Thurston MO, Mojzisik CM. History and development of RIGS. Semin Colon Rectal Surg 1995; 6: 185–191.