[To Parent Directory]12/21/2006 9:33 AM 56628 RDG4850062V4_abstract.pdf 4/12/2008 10:02 PM 867742 RDG4850062V4_full.pdf 4/12/2008 10:00 PM 468397 RDG4850062V4_s01.pdf 4/12/2008 10:01 PM 406837 RDG4850062V4_s02.pdf