[To Parent Directory] 5/10/2005 9:12 AM 109764 RDG4230010_abstract.pdf 3/31/2008 10:44 AM 4796627 RDG4230010_full.pdf 3/31/2008 10:40 AM 1544085 RDG4230010_s01.pdf 3/31/2008 10:43 AM 3224800 RDG4230010_s02.pdf