Generex Presents Positive Results of Phase 1 Prostate Cancer Vaccine Trial At the American Society of Clinical Oncology WORCESTER, Mass., June 1, 2009 <a href="http://www.globenewswire.com/newsroom/news.html?d=166393" rel="nofollow" target="_blank">http://www.globenewswire.com/newsroom/news.html?d=166393</a>