WORCESTER, Mass., June 22, 2007 (PRIME NEWSWIRE) -- Generex Biotechnology Corporation (Nasdaq:GNBT) , the leader in drug delivery for metabolic diseases through the inner lining of the mouth, announced today that it will be making three poster presentations at the American Diabetes Association’s 67th Scientific Sessions in Chicago, IL June 22-26, 2007 (www.diabetes.org and www.scientificsessions.diabetes.org).