[To Parent Directory] 5/4/2005 9:30 AM 80992 RDG4440005_abstract.pdf 3/23/2008 11:39 AM 3999824 RDG4440005_full.pdf 3/23/2008 11:36 AM 2085499 RDG4440005_s01.pdf 3/23/2008 11:38 AM 1796468 RDG4440005_s02.pdf