[To Parent Directory] 2/22/2007 5:46 AM 117096 RDG42N0019_abstract.pdf 4/20/2008 8:27 PM 6250597 RDG42N0019_full.pdf 4/20/2008 8:25 PM 2818828 RDG42N0019_s01.pdf 4/20/2008 8:27 PM 3397759 RDG42N0019_s02.pdf