[To Parent Directory]11/29/2007 11:25 AM 91816 RDG4890019_abstract.pdf 4/17/2008 12:43 PM 2212924 RDG4890019_full.pdf 4/17/2008 12:41 PM 1300503 RDG4890019_s01.pdf 4/17/2008 12:42 PM 827413 RDG4890019_s02.pdf