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Schoepfer, Alain; Bruendler, Robert; Oehen, Hans-Peter; Jost, Christian (2006). Subserosal bowel perforation during colonoscopy for Crohn's disease. Gastrointestinal endoscopy, 64(5), 818-9; discussion 819. New York, N.Y.: Elsevier 10.1016/j.gie.2006.04.003
