?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=An%2C+Shu+Fang&rft.aufirst=Shu+Fang&rft.aulast=An&rft.title=Detection+of+HIV-1+DNA+in+brains+of+asymptomatic+HIV-positive+individuals+and+the+role+of+cytokines+in+the+pathogenesis+of+early+changes&rft.date=1997&rft.degree=Doctoral&rft.tpages=285&rft.inst=UCL+(University+College+London)