APC and desmoid tumor: Nieuwenhuis Nieuwenhuis M M Lefevre Lefevre J J Bulow Bulow S S Family history, surgery, and € APC mutation are risk factors for desmoid tumors in familial adenomatous polyposis: an international cohort study Family history, surgery, and € APC mutation are risk factors for desmoid tumors in familial adenomatous polyposis: an international cohort study Dis Colon Rectum Dis Colon Rectum 2011 2011 54 54 1229 1229 1234 1234 10.1097/DCR.0b013e318227e4e8 10.1097/DCR.0b013e318227e4e8 21904137 21904137