Fig. 3From: Antibodies directed against endogenous and exogenous citrullinated antigens pre-date the onset of rheumatoid arthritis a Mean concentration of the four antibodies during the period pre-dating the onset of symptoms up to the onset of rheumatoid arthritis (RA), marked as 0. b Cumulative frequencies of the five antibodies during the period pre-dating the onset of symptoms up to the onset of RA, marked as 0. VCP viral citrullinated peptide derived from Epstein-Barr-virus encoded protein, HCP histone 4-derived citrullinated peptides, CCP cyclic citrullinated peptideBack to article page