%0 Journal Article %T Increased expression of CD40 ligand (CD154) on CD4+ T cells as a marker of disease activity in rheumatoid arthritis %A Berner, Beate %A Wolf, Gabriele %A Hummel, Klaus M %A Müller, Gerhard A %A Reuss-Borst, Monika A %J Annals of the Rheumatic Diseases %@ 0003-4967 %D 2000-03-01 %I Elsevier BV %~ DeepDyve