1. The prevalence of rheumatoid arthritis in the United;Symmons;Kingdom: new estimates for a new century. Rheumatology,2002
2. Multicentric study of the prevalence of adult rheumatoid arthritis in Brazilian population samples;Marques-Neto;Rev Bras Reumatol,1993
3. The prevalence of rheumatoid arthritis;O'Sullivan;Follow-up evaluation of the effect of criteria on rates in Sudbury, Massachusetts. Ann Intern Med,1972
4. Remodelling the pyramid- a concept whose time has not yet come;Hess;J Rheumatol,1989
5. Remodelling the pyramid: the theraupeutic target of rheumatoid arthritis;Bensen;J Rheumatol,1990