S.L.E. Ribeiro, H.L.A. Pereira, N.P. Silva, R.M.S. Neves and E.I. Sato. Anti-cyclic citrullinated peptide antibodies and rheumatoid factor in leprosy patients with articular involvement. Braz J Med Biol Res 2008; 41: 1005-1010.

Figure 1. Serum anti-cyclic citrullinated peptide (anti-CCP) antibody concentrations in rheumatoid arthritis (RA) patients with (RF+, N = 43) and without (RF-, N = 26) rheumatoid factor, leprosy patients with (AI+, N = 76) and without (AI-, N = 82) articular involvement manifestations and healthy controls (N = 89).