1Thomson WHF. The nature of hemorrhoids. Br J Surg,1975, 62: 542-552.
2Longo A. Treatment of heamorrhoidal diseaes by reduention of mucosa and hemorrhoidal prolapse with a circudar suturing device: a new procedure. In: proccedings of the 6 world congress of Endoscopic Surgery Bologna. Monduzzil ditiore, 1998. 777-84.
3Longo A. treatment of hemorrhoids disease by reduction of mucosa and hemorrhoidal prolapse with a circular suturing device: a new procedure. Rome, Italy:proceedings of the 6th. World Congress of Endoscopic Surgery, 1998. 3.
4Shalaby R ,Desoky A. Randomized clinical trial of stapled versus Milligan-Morgan haemorrhoidectomy. Br J Surg 2001, 88: 1049-1053.
5Ravo B, Amato A, Bianco V, et al. Complications after stapled hemorrhoidectomy: can they be prevented? Tech Coloproctol, 2002, 6: 83-88.
6Law WL, Chu KW. Triple rubber band ligation for hemorrhoids:prospective, randomized trial of use of local anesthetic injection.Dis Colon Rectum, 1999, 42: 363-366.
7Mehigan B J, Monson JR, Harlley JE. Stapling procedure for haemorrhoids versus Milligan-Morgan haemorrhoidectomy:randomised controlled trial. Lancet, 2000, 355: 782-785.
8Thomson WH. The nature of haemorrhoids. Br J Surg, 1975, 62:542-552.
9Longo A. Treatment of hemorrhoids disease by reduction of mucosa and haemorrhodial prolapse with a circular suturing device: a new procedure. Proceeding of 6th World Congress of Endoscopic Surgery, 1998. 777-784.
10Shalaby R, Desoky A. Randomized clinical trial of stapled versus Milligan-Morgan haemorrhoidectomy. Br J Surg, 2001, 88: 1049-1053.
6Lomanto D, Katara AN. Stapled haemorrhoidopexy for prolapsed haemorrhoids: short- and long-term experience[ J]. Asian J Surg, 2007,30(1) :29-33.
7Scotto di Carlo E, Medolla A, Savino F, et al. Treatment of mucous and haemorrhoidal prolapse with circular stapler according to longo: personal experience[ J]. Chir Ita1,2007,59 ( 3 ) :347-353.
8Cataldo P, Ellis CN, Gregorcyk S, et al. Practice parameters for the management of hemorrhoids (revised) [ J ]. Dis Colon Rectum,2005, 48(2) :189-194.