[To Parent Directory] 3/15/2004 2:41 PM 311572 RDG4140006_abstract.pdf 4/19/2008 10:19 AM 3867555 RDG4140006_full.pdf 4/19/2008 10:14 AM 1968569 RDG4140006_s01.pdf 4/19/2008 10:17 AM 2015182 RDG4140006_s02.pdf