1) Utsunomiya J, Iwama T, Imajo M, et al : Total colectomy, mucosal proctectomy and ileoanal anastomosis. Dis Coloc Rectum 28:459-66, 1980
2) Parks AG, Nicholls RJ : Proctocolectomy without ileostomy for ulcerative colitis. Br Med J 2:85-88, 1978
3) Johnston D, Holdsworth PJ, Nasmyth DG, et al : Preservation of the entire anal canal in conservative procto-colectomy for ulcerative colitis; a pilot study comparing end-to-end ileoanal anastomosis without mucosal resection with mucosal proctectomy and end-anal anastomosis. Br J Surg 74:940-944, 1987
5) Sugerman HJ, Newsome HH, Decosta G, et al : Stapled ileoanal anastomosis for ulcerative colitis and familial polyposis without a temporary diverting ileostomy. Ann Surg 213:606-619, 1991