ALAMEDA, Calif. & LEIDEN, The Netherlands--(BUSINESS WIRE)--Celera (NYSE:CRA), an Applera Corporation business, and researchers at the Leiden University Medical Center in the Netherlands, today announced the publication of a paper describing the identification of several novel gene variants that each are associated with approximately 50 percent increased risk of deep vein thrombosis (DVT). The paper is scheduled to appear in the March 19, 2008 edition of the Journal of the American Medical Association, and is currently available on the journal’s website at http://jama.ama-assn.org/.