
Keywords: Hepatitis B; Hepatitis C; Vasculitis; Polyarteritis nodosa; Cryoglobulinemia; Cryoglobulinemic vasculitisMC, mixed cryoglobulinemia; CV, cryoglobulinemic vasculitis; RF, rheumatoid factor; Ig, immunoglobulin; GCA, giant cell arteritis; PAN, polyarteritis