1Longon 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.
2Palimento D,Picchio M,Attanasio U,et al. Stapled and open hemorrhoidectomy:randomized controlled trial of early results. World J Surg,2003,27(2) :203-207.
3Mehigan BJ,Monson JR, Hartley JE. Stapling procedure for haemorrhoids versus Milligan-Morgan haemorrhoidectomy: randomised controlled trial. Lancet,2000,355(9206) :782-785.
10Longo A. Treatment of hemorrhoids disease by reduction of mucosa and hemorrhoidal prolapse with a circular suturing device : a new procedure. Proceedings of the 6th World Congress of Endoscopic Surgery. Rome Italy, 1998 : 3.