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Digestive Diseases and Sciences > 2009 > 54 > 1 > 142-150
Diseases of the Colon & Rectum > 2007 > 50 > 11 > 1761-1769
Digestive Diseases and Sciences > 2009 > 54 > 1 > 142-150
Diseases of the Colon & Rectum > 2007 > 50 > 11 > 1761-1769