Karen, See how Benitec's ddRNAi differs from Tekmira's and Alnylam's siRNA. www.youtube.com/watch?v=UuicPthdT70 http://blt.live.hqi.com.au/IRM/Company/ShowPage.aspx/PDFs/1376-36045702/PRESENTATIONBIOMELBOURNE http://blt.live.hqi.com.au/IRM/Company/ShowPage.aspx/PDFs/1376-36045702/PRESENTATIONBIOMELBOURNE Good luck and GOD bless, George