2Longo A.Treatment of hemorrhoidal disease by reduction of mucosa and hemorrhoidal prolapse with a circular stapling device:a new procedure.Proceedings of the 6th World Congress of Endoscopic Surgery.Rome,Italy,1998.3-6.
3O' Bichere A;Laniado M;Sellu D.Stapled haemorrhoidectomy: a feasible day- case procedure[J],1998(3).
4Beatle GC;Lam JPH;Loudon MA.A prospective evaluation of the introduction of circumferential stapled anoplasty in the management of haemorrhoids and mucosal prolapse[J],2000.
5O' Bichere A;Laniado M;Sellu D.Stapled haemorrhoidectomy: a feasible day- case procedure,1999.
6Hunt L;Luck AJ;Rudkin G.Day- case haemorrhoidectomy[J],1999(2).