SEATTLE, WA -- (MARKET WIRE) -- March 21, 2007 -- New research suggests a "missing link" between the pre-diabetes state and the clinical diagnosis of type 2 diabetes mellitus. These findings will be presented at the American Association of Clinical Endocrinologists (AACE) Sixteenth Annual Meeting and Clinical Congress, which will be held April 11-15 at the Washington State Convention & Trade Center in Seattle.