1. they were 138 women aged 20-50 years who consecutively attended the outpatient clinic of the Department of Rheumatology of the Leiden University Hospital for the first time between 1982 and 1986, and who had symptoms of recent onset (less than five years). All patients fulfilled the Vliet;Briefly
2. Formal education level as a marker for increased mortality and morbidity in rheumatoid arthritis._J;Pincus, T.; F, Callahan L.;Chron Dis,1985
3. Risk factors for disability among U. S. adults with arthritis..7 Clin Epidemiol;M, Verbrugge L.; M, Gates D.; W, Ike R.,1991
4. Formal education level as a significant marker of clinical status in rheumatoid arthritis;F, Callahan L.; T, Pincus;Arthritis Rheum,1988
5. The stability ofhealth status in rheumatoid arthritis: a five-year study of patients with established disease;F, Meenan R.; E, Kazis L.; J, Anderson J.;AmJ Public Health,1988