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* Shelburne, VT, USA **Correspondence address: Roger S Foster Jr, MD, FACS, 613 South Forty Rd, Shelburne, VT 05482, USA. Received January 8, 2003; accepted January 8, 2003. ☆No competing interests declared. Presented at the American College of Surgeons 88th Annual Clinical Congress, San Francisco, CA, October 2002.
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