BOSTON--(BUSINESS WIRE)--Salix Pharmaceuticals, Ltd. (NASDAQ:SLXP) today announces that the 60th Annual Meeting of the American Association for the Study of Liver Diseases is the venue for two presentations describing the investigation of rifaximin for the maintenance of remission from hepatic encephalopathy. The Liver Meeting® is being held in Boston, Saturday, October 31 – Tuesday, November 3, 2009.