Patients with rheumatoid arthritis (RA) often have comorbidities related to immune dysfunction, however, the timing of comorbidities relative to RA diagnosis and treatment is not clear. We studied personal and family medical history correlates of incident and prevalent RA in women.
Division of Public Health Sciences, Fred Hutchinson Cancer Research Center and Department of Epidemiology, University of Washington, Seattle, WA 98109, USA. deroos@u.washington.edu
