[To Parent Directory] 2/24/2007 10:06 AM 60025 RUG4430002_abstract.pdf 4/19/2008 1:29 PM 2569667 RUG4430002_full.pdf 4/19/2008 1:22 PM 1511807 RUG4430002_s01.pdf 4/19/2008 1:28 PM 1035702 RUG4430002_s02.pdf