Media type: E-Article Title: The challenges of change: Presidential Address to the 69th Annual Meeting of the Central Surgical Association Madison, Wisconsin, March, 2012 Contributor: Fried, Gerald M. imprint: Elsevier BV, 2012 Published in: Surgery Language: English DOI: 10.1016/j.surg.2012.04.005 ISSN: 0039-6060 Keywords: Surgery Origination: Footnote: