6Colon Cancer Laparoscopic or Open Resection Study Group,Buunen M,Veldkamp R,et al.Survival after laparoscopic surgery versus open surgery for colon cancer:long-term outcome of a randomised clinical trial[J].Lancet Oncol,2009,10(1):44-52.
7Lacy AM,García-Valdecasas JC,Delgado S,et al.Laparoscopy-assisted colectomy versus open colectomy for treatment of non-metastatic colon cancer:a randomised trial[J].Lancet,2002,359(9325):2224-2229.
8Schlachta CM,Mamazza J,Seshadri PA,et al.Defining a learning curve for laparoscopic colorectal resections[J].Dis Colon Rectum,2001,44(2):217-222.
9Fukunaga Y, Higashino M, Tanimura S, et al. New technique for rectal division in laparescopic anterior resection-with video. World J Surg,2008,32(9) :2095-2100.
10Mekras A,Michalopoulos A,Papadopoulos VN. Changes in treatment of rectal cancer:increased use of low anterior resection[J].Coloproctology,2011,(Suppl 1):S51-S54.
