?url_ver=Z39.88-2004&rft_id=uk.bl.ethos.535689&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Coates%2C+Laura+Claire&rft.aulast=Coates&rft.aufirst=Laura+Claire&rft.degree=PhD&rft.date=November+2010&rft.title=Improving+the+outcome+of+psoriatic+arthritis&rft.inst=University+of+Leeds