2Longo A . Treatment of hemorrhoidal disease by reduction of mucosa and hemorrhoial prolapse with a circular suturing device : a new procedure. In: Proceedings of the 6th world Congress of Endoscopic Surgerg. Bologna: Monduzzi Editiore, 1998. 777.
3Longo A . Treatment of hemorrhoidal disease by reduction of mucosa and hemorrhoial prolapse with a circular suturing device: a new procedure. In: Proceedings of the 6th world Congress of Endoscopic Surgerg. Bologna:Monduzzi Editiore, 1998.777