4Williams NS, Johnston D. Survival and recurrence after sphincter saving resection and abdominoperineal resection of carcinoma of the middle third of the rectum[J]. Br J Surg, 1984,71(4):278.
5Yeatman TJ, Bland KI. Sphincter-saving procedures for distal carcinoma of the rectum[J]. Ann Surg, 1989,209:1.
6Paty PB, Cohen AM. The role of surgery and chemoradiation therapy for cancer of the rectum[J]. Curr Probl Cancer, 1999,23(5):229.
7Ruiller E, Laurente C, Carles J, et al. Local recurrence of low rectal cancer after abdominoperineal and anterior resection[J]. Br J Surg, 1997,84(4):525.
