?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Graves&rft.au=Graves%2C+J.+D.&rft.aufirst=J.+D.&rft.degree=Doctoral&rft.tpages=291&rft.inst=UCL+(University+College+London)&rft.title=The+role+of+protein+in+T+lymphocyte+activation&rft.date=1991