Rothenberg Michael, Pai Reetesh, Stuart Kevin
Division of Gastroenterology and Hepatology, Stanford University Medical Center, 300 Pasteur Drive, MC: 5187, Stanford, CA 94305-5187, USA.
Dig Dis Sci. 2009 Jul;54(7):1403-7. doi: 10.1007/s10620-009-0754-z. Epub 2009 Mar 3.