[To Parent Directory] 5/12/2008 4:00 PM 54855 RDG4040013_abstract.pdf 5/12/2008 4:01 PM 5294694 RDG4040013_full.pdf 5/12/2008 4:02 PM 2706023 RDG4040013_s01.pdf 5/12/2008 4:02 PM 2561017 RDG4040013_s02.pdf