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Digestive Diseases and Sciences > 2010 > 55 > 4 > 1167-1176
Journal of Gastrointestinal Cancer > 2003 > 33 > 1 > 15-26
Digestive Diseases and Sciences > 2010 > 55 > 4 > 1167-1176
Journal of Gastrointestinal Cancer > 2003 > 33 > 1 > 15-26