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Langenbeck's Archives of Surgery > 2013 > 398 > 2 > 265-276
International Journal of Colorectal Disease > 2011 > 26 > 8 > 967-981
Langenbeck's Archives of Surgery > 2013 > 398 > 2 > 265-276
International Journal of Colorectal Disease > 2011 > 26 > 8 > 967-981