[To Parent Directory] 2/13/2008 10:19 AM 113826 RDG4890012_abstract.pdf 4/17/2008 12:02 PM 3072108 RDG4890012_full.pdf 4/17/2008 12:01 PM 1492567 RDG4890012_s01.pdf 4/17/2008 12:00 PM 1525522 RDG4890012_s02.pdf