7Lian L, Wu XR, He XS, et al. Extraperitoneal vs. intraperitoneal route for permanent colostomy: a meta-analysis of 1,071 patients. Int J Colorectal Dis, 2012,27:59-64.
8Dong LR, Zhu YM, Xu Q, et al. Clinical evaluation of extraperitoneal colostomy without damaging the muscle layer of the abdominal wall. J Int Med Res,2012,40: 1410-1416.
9Ahmad NZ, Racheva G, Elmusharaf H. A systematic review and meta-analysis of randomized and non-randomized studies comparing lapamscopic and open abdominoperineal resection for rectal cancer. Colorectal Dis, 2013,15:269-277.
10Simorov A, Reynoso JF, Dolghi O, et al. Comparison of perioperative outcomes in patients undergoing laparoscopic versus open abdominoperineal resection. Am J Surg, 2011,202: 666-670.