[To Parent Directory] 2/22/2007 12:31 PM 66781 RDG44N0041_abstract.pdf 4/23/2008 12:50 PM 3271321 RDG44N0041_full.pdf 4/23/2008 12:48 PM 1453797 RDG44N0041_s01.pdf 4/23/2008 12:49 PM 1795968 RDG44N0041_s02.pdf