[To Parent Directory] 6/2/2005 10:43 AM 63724 RDG4540021_abstract.pdf 3/23/2008 6:31 PM 5779041 RDG4540021_full.pdf 3/23/2008 6:29 PM 1977383 RDG4540021_s01.pdf 3/23/2008 6:30 PM 3688627 RDG4540021_s02.pdf