1. The effect of preoperative roentgen therapy upon the 10 and 5 year results of the surgical treatment of cancer of the rectum;Quan;Surg. Gynec. & Obst.,1960
2. Preoperative radiation for carcinoma of the rectum;Quan;New York J. Med.,1966
3. Preoperative roentgen therapy for cancer of the rectum;Stearns;Surg. Gynec. & Obst.,1959
4. Preoperative irradiation for carcinoma of the colon and rectum;Fletcher;Am. J. Surg.,1965