1Hakim NS, Sarr NJ, Bender CE, et al. Management of barium enemrinduced colorectal perforatim [J]. Am J Surg,1992, 58(11): 673-676.
2Hall C, Drricoff NJ, Ponavan IA, et al. Colon Perforation during colonoscopy: surgical versus corserative management [J] .Brit J Surg, 1991 , 78(5): 542 -544.
3Kozark RA, Earnest DL, Silversdtein ME, et al . Air pressure induced colon diagnostic coloncopy [J]. Gastooenterology,1980, 78(1): 7-14.
4Biondo S. The emergency operation for acute colon perforation [J]. Am J Surg, 2002, 183(3): 256 -260.
5Badia JM. Colon cancer perfiration with 36 cases review [J] .In J colorectal Pis, 1987, 2(1 ): 187 - 189.
6Conrad JK. The variarion of tendency of the treatment of perforative colon truma[J]. Pis colon Rectum, 2000, 43 (4):466 -471 .
7Naraynsingh V, Ariyanayagam D, Pooran S. Primary repair of colon injuries in a developing country[ J]. Br J Surg, 1991 , 78(3): 319 -320.
8Rosenberg IH. Crohn's Disease. In: Wyngaarden JB, Smith LH, eds. Cecil Text Book of Medicine. 18th. Philadelphia Saunders Company, 1988. 745.
9Rubin DT, Hanauer SB. Smoking and inflammatory bowel disease. Eur J Gastroenterol Hepatol, 2000, 12:855-862.
10Ekbom A, Helmick C, Zack M, et al. The epidemiology of inflammatory bowel disease: a large, population-based study in Sweden. GaStroenterology, 1991, 100:350-358.
