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Division of Gastroenterology, University of California at San Francisco, San Francisco, California Reprint requests and correspondence: Norah A. Terrault, M.D., M.P.H., Division of Gastroenterology, University of California at San Francisco, 513 Parnassus Ave, S357, Box 0538, San Francisco, CA 94143. Received November 12, 2004; accepted November 15, 2004.
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Norah A. Terrault (2005) studied this question.
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