1Dr. Kenichi Sugihara M.D., D.M.S.c.,Tetuichiro Muto M.D., D.M.S.c.,Yasuhiko Morioka M.D., D.M.S.c.. Management of patients with invasive carcinoma removed by colonoscopic polypectomy[J] 1989,Diseases of the Colon & Rectum(10):829～834
2A. Heintz,G. Bue?,K. Frank,C. Kuntz,H. Strunck,T. Junginger. Endoluminal ultrasonic examination of sessile polyps and early carcinomas of the rectum[J] 1989,Surgical Endoscopy(2):92～95
3Dr. Haruhiko Shida M.D.,Takashi Yamamoto M.D.. Fiberoptic sigmoidoscopy as the first screening procedure for colorectal neoplasms in an asymptomatic population[J] 1989,Diseases of the Colon & Rectum(5):404～408
4Dr. U. Hildebrandt M.D.,G. Feifel M.D.. Preoperative staging of rectal cancer by intrarectal ultrasound[J] 1985,Diseases of the Colon & Rectum(1):42～46
