[To Parent Directory]12/21/2006 11:29 AM 109497 RDG4730014_abstract.pdf 4/15/2008 4:09 PM 2727938 RDG4730014_full.pdf 4/15/2008 4:07 PM 1084436 RDG4730014_s01.pdf 4/15/2008 4:08 PM 1572854 RDG4730014_s02.pdf