1. Incidence of serum antibodies to native type I and type II collagens in patients with inflammatory arthritis;B, Clague R.; J, Shaw M.; L, Holt P.J.;Ann Rheum Dis,1980
2. Routine assay for detection of IgG and IgM antiglobulins in seronegative and seropositive rheumatoid arthritis;C, Hay F.; J, Nineham L.; M, Roitt I.;Br Med J,1975
3. Diagnostic criteria for rheumatoid arthritis. 1958 Revision;W, Ropes M.; A, Bennett G.; S, Cobb; R, Jacax; A, Jessar R.;Ann Rheum Dis,1959
4. The Epidlemniology of Chronic Rheutmatismii;H, Kellgren J.; R, Jeffrey M.; J, Ball,1963
5. Wright V. Psoriasis and arthritis. Ann Rheum71 Dis 1956; 15: 348-56.