Al-Haddad Mohammad, Raimondo Massimo
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, 4500 San Pablo Road, Jacksonville, Florida 32224, USA.
Dig Dis Sci. 2007 Jan;52(1):137-9. doi: 10.1007/s10620-005-9029-5. Epub 2006 Dec 12.