[To Parent Directory] 2/22/2007 12:57 PM 64912 RDG44N0055_abstract.pdf 4/23/2008 1:34 PM 3623146 RDG44N0055_full.pdf 4/23/2008 1:31 PM 1710912 RDG44N0055_s01.pdf 4/23/2008 1:33 PM 1890197 RDG44N0055_s02.pdf