From the Department of Surgery, The Mercy Hospital of Pittsburgh, Pittsburgh, Pennsylvania. Received February 11, 2002; revision received July 27, 2002; accepted August 19, 2002. Please address correspondence and reprint requests to K. Stahlfeld, Program Director, Department of Surgery, The Mercy Hospital of Pittsburgh, 1400 Locust Street, Pittsburgh, PA 15219–4738, USA. Address electronic mail to: [email protected]
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Smith et al. (2002) studied this question.
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