[To Parent Directory] 8/18/2004 1:33 PM 192978 RDG4230015_abstract.pdf 3/31/2008 12:34 PM 4846857 RDG4230015_full.pdf 3/31/2008 10:59 AM 2821709 RDG4230015_s01.pdf 3/31/2008 12:28 PM 1923288 RDG4230015_s02.pdf