VILLA GUARDIA, Italy, Nov. 10, 2010 (GLOBE NEWSWIRE) -- Gentium S.p.A. (Nasdaq:GENT) (the “Company”) today announced that three abstracts on Defibrotide will be presented at the 52nd Annual Meeting and Exposition of the American Society of Hematology to be held at the Orange County Convention Center in Orlando, Florida, December 4-7, 2010.