2Ker TS, Wasserberg N, Beart RW Jr. Colonoscopic perforation and bleeding of the colon can be treated safely without surgery. Am Surg, 2004 ,70(10):922-924.
3Lo AY, Beaton HL. Selective management of colonoscopic perforations. J Am Coll Surg,1994,179(3):333-337.