[To Parent Directory] 7/29/2004 11:11 AM 60374 RDG4450057_abstract.pdf 4/8/2008 9:34 AM 2224943 RDG4450057_full.pdf 4/8/2008 9:33 AM 1103768 RDG4450057_s01.pdf 4/8/2008 9:34 AM 1111792 RDG4450057_s02.pdf