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Surgical Endoscopy > 2010 > 24 > 8 > 1898-1903
International Journal of Colorectal Disease > 2008 > 23 > 3 > 265-270
Surgical Endoscopy > 2010 > 24 > 8 > 1898-1903
International Journal of Colorectal Disease > 2008 > 23 > 3 > 265-270