5Longo A. Treatment of hemorrhoids disease by reduction of mucosa and hemorrhoids prolapse with a circular suturing device: a new procedure. Rome Italy[M]. Proceedings of the 6th World Congress of Endoscopic Surgery , 1998 : 3.
6Rowsell M, BelloM, Hemingway DM . Circum ferential mucosectomy (stapled haemorrhoidectomy) versus conventional haemorrhoidectomy : randomized con- roiled trial[J]. Lancet , 2000 , 335(9215):779-781.
7Corman ML, Carriero A, Hager T, et al. Consensus conference on the stapled transanal rectal resection (STARR)for disordered defaecation. Colorect Dis, 2006,8 : 98-101.