[To Parent Directory]12/14/2007 4:01 PM 91712 RDG4990001_abstract.pdf 4/17/2008 12:50 PM 606530 RDG4990001_full.pdf 4/17/2008 12:47 PM 300975 RDG4990001_s01.pdf 4/17/2008 12:49 PM 290680 RDG4990001_s02.pdf