Poorgradstudent, I think you and bladerunner misread the CA19-9 on the GenVec poster. See slide 13 of this link <A HREF="http://www.genvec.com/download/ASGT%20Final%20Out%20Neil%20Senzer%20TNFerade%2006%202007.pdf" target="_blank">http://www.genvec.com/download/ASGT%20Final%20Out%20Neil%20Senzer%20TNFerade%2006%202007.pdf</A> Rick