9S. Ibrahim,C. Tsang,Y. L. Lee,K. W. Eu,Dr. F. Seow-Choen. Prospective, randomized trial comparing pain and complications between diathermy and scissors for closed hemorrhoidectomy[J] 1998,Diseases of the Colon & Rectum(11):1418～1420
10Dr. Sami K. Asfar M.D. (U.K.), F.R.C.S.Ed., F.A.C.S.,Taleb H. Juma M.B., B.S., F.R.C.S.I.,Tareef Ala-Edeen M.B., Ch.B.. Hemorrhoidectomy and sphincterotomy[J] 1988,Diseases of the Colon & Rectum(3):181～185
