Al-Haddad Mohammad, Ward Eric M, DeVault Kenneth R, Bouras Ernest P, Raimondo Massimo
Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida 32225, USA.
Dig Dis Sci. 2007 May;52(5):1367-9. doi: 10.1007/s10620-006-9291-1. Epub 2007 Mar 20.