1. Colorectal cancer staging as a prognostic feature;Beahrs;Cancer,1982
2. Cancer of the colon and rectum: general aspects, diagnosis, treatment and prognosis;Scudamore,1969
3. Results of treatment of carcinoma of the colon and rectum;Slaney,1971
4. Carcinoma of the colon and rectum;Welch;N Engl J Med,1962
5. Risk factors from geographic epidemiology for gastrointestinal cancer;Miller;Cancer,1982