[To Parent Directory] 2/28/2007 10:29 AM 32980 RUG4740001V6_abstract.pdf 4/20/2008 10:50 AM 2030342 RUG4740001V6_full.pdf 4/20/2008 10:48 AM 1103862 RUG4740001V6_s01.pdf 4/20/2008 10:49 AM 912969 RUG4740001V6_s02.pdf