[To Parent Directory]12/17/2007 3:28 PM 117468 RDG48O0040_abstract.pdf 4/22/2008 2:31 PM 957474 RDG48O0040_full.pdf 4/22/2008 2:24 PM 448406 RDG48O0040_s01.pdf 4/22/2008 2:27 PM 436993 RDG48O0040_s02.pdf