2) Ikeuchi H, Nakano H, Uchino M, et al: Safety of one-stage restorative proctocolectomy for ulcerative colitis. Dis Colon Rectum 48; 1550-1555: 2005
3) Ikeuchi H, Uchino M, Matsuoka H, et al: Prognosis following emergency surgery for ulcerative colitis in elderly patients. Surg Today 44; 39-43: 2014
4) Almogy G, Sachar DB, Bodian CA, et al: Surgery for ulcerative colitis in elderly persons:changes in indications for surgery and outcome over time. Arch Surg 136; 1396-1400: 2001
5) Zoccali M, Fichera A: Minimally invasive approaches for the treatment of inflammatory bowel disease. World J Gastroenterol 18; 6756-6763: 2012