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From the Department of Surgery, University Hospital and Medical Center, State University of New York at Stony Brook, Stony Brook, New York. Address for reprints: James A. Vosswinkel, MD, Department of Surgery, HSC T-19 020, State University of New York at Stony Brook, Stony Brook, NY 11794-8191; fax: 516-444-7635.
Vosswinkel et al. (Wed,) studied this question.