FOSTER CITY, Calif.--(BUSINESS WIRE)--April 5, 2006--OXIS International (OTCBB:OXIS - News): OXIS International is a biopharmaceutical company focused on commercializing research assays, nutraceutical and therapeutic products related to oxidative stress and, through its majority interest in BioCheck acquired in December 2005, a leading provider of high-quality immunoassay clinical kits and contract services.
