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2. Bacon, H. E.: Abdominoperineal proctosigmoidectomy with sphincter preservation: Five-year and ten-year survival after “pull-through” operation for cancer of rectum. J.A.M.A.160: 628, 1956.
3. Bacon, H. E.: Cancer of the rectum and colon: A critical analysis with recommendations to extend the rates of survival. Surgery.41: 387, 1957.
4. Finsterer, H.: 43 jaehrige Erfahrungen bei 942 operierten Faellen von Rectumcarcinom. Arch. klin. Chir.279: 282, 1954.
5. Rhazes: Quoted by Herrmann, S. F.: Second operations for uncontrolled abdominal or pelvic cancer. Am. J. Surg.96: 281, 1958.