Wu Bechien, Conwell Darwin L
Center for Pancreatic Disease, Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA.
Am J Gastroenterol. 2009 Oct;104(10):2381-3. doi: 10.1038/ajg.2008.181.