[To Parent Directory] 5/10/2007 10:25 AM 78328 RDG47N0051_abstract.pdf 4/27/2008 4:21 PM 5048629 RDG47N0051_full.pdf 4/27/2008 4:18 PM 2647123 RDG47N0051_s01.pdf 4/27/2008 4:19 PM 2339042 RDG47N0051_s02.pdf