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International Journal of Colorectal Disease > 2010 > 25 > 7 > 855-863
Der Anaesthesist > 2007 > 56 > 12 > 1223-1230
International Journal of Colorectal Disease > 2010 > 25 > 7 > 855-863
Der Anaesthesist > 2007 > 56 > 12 > 1223-1230