4Chiang JM,Chen MC,Changchien CR et al .Favorable influence of age on tumor characteristics of sporadic colorectal adenocarcinoma:patients 30 years of age or younger may be a distinct patient group.Dis Colon Rectum,2003,46:904-910.
5Tung SY,Wu CS,Chen PC.Primary signet ring cell carcinoma of colorectum:an aged sex - matched controlled study.Am J Gastroenterol,1996,91(10) :2 195 - 2 199.
6Graf W,Ekstron K,Glimelius B et al.A pilot study of factors influencing bowel function after rectal anastomosis.Dis Colon Rectum,1996,39:744 - 749.
7Lee SJ,Park YS.Serrial evaluation of anorectal function following low anterior resection of rectum.Int J Colonrectal Dis,1998,13:241 - 246.
8Phillips PS,Farquharson SM,Saxton R et al .Rectal cancer in the elderly:patients' perception of bowel control after restorative surgery.Dis Colon Rectum,2004,47 (3):287 -290.
