?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Thompson&rft.aufirst=Paul+Warren&rft.au=Thompson%2C+Paul+Warren&rft.date=1990&rft.tpages=177&rft.title=Cytidine+deaminase+in+rheumatoid+arthritis&rft.inst=UCL+(University+College+London)&rft.degree=Doctoral