1. Cancer of the rectum. Local excision;Gall;Surg Clin North Am,1988
2. Local excision of cancer of the rectum;Hager;Dis Col Rectum,1983
3. Transphincteric approach to rectal lesions;Mann;Ann Surg,1977
4. Technique of per anal excision for carcinoma of the low rectum;Nivatvongs;Surg Gynecol Obstet,1992
5. Conservative treatment of distal rectal cancer by local excision;Decosse;Cancer,1989