%0 Journal Article %A T Matsui %A K Nishioka %A T Kato %A K Yamamoto %T Autoantibodies to CTLA-4 enhance T cell proliferation. %D 2001 %J The Journal of Rheumatology %P 220-221 %V 28 %N 1 %U https://www.jrheum.org/content/jrheum/28/1/220.2.full.pdf