[To Parent Directory] 2/21/2007 5:06 PM 60070 RDG44N0012_abstract.pdf 2/21/2007 5:05 PM 2882678 RDG44N0012_full.pdf 4/21/2008 7:45 PM 1500454 RDG44N0012_s01.pdf 4/21/2008 7:47 PM 1508944 RDG44N0012_s02.pdf