5Lon goA. Treatment of hemorrhoids disease by reduction of mucosa and hemorrhoidal prolapse with a circular suturing device: a new procedure proceedin gs of 6^th world con gress of endoscopic sur gery[J]. Rome, Italy, 1998, 3:134-136.
6Fazio VW. Early promise of stapling technique for aemorrhoidectomy[J]. Lancet, 2001, 355(9206) : 768.
7O-Connor JJ. Staplers and hemorrhoids [J]. DisRectum, 2000,43(1) :118-119.
8Mehi gan BJ, Morgan JR, Hartley JE. Staplin g procedure for hemor-rhoids versus Mill gan Mor gan hemorrhoidectmy randomized controlled rial[J]. 2002,355 (9206) :782-785.
