[To Parent Directory] 5/4/2007 10:34 AM 76418 RDG4950019_abstract.pdf 4/13/2008 10:44 AM 1290188 RDG4950019_full.pdf 4/13/2008 10:42 AM 445635 RDG4950019_s01.pdf 4/13/2008 10:43 AM 857022 RDG4950019_s02.pdf