1. Psoriatic arthritis;Gladman,2001
2. Psoriatic arthritis;Helliwell,1998
3. Psoriatic arthritis (PsA) is common among patients with psoriasis and family medicine clinical attendees;Brockbank;Arthritis Rheum,2001
4. The epidemiology of psoriatic arthritis in Olmsted County, Minnesota, USA, 1982-1991;Shbeeb;J Rheumatol,2000
5. National Psoriasis Foundation Web site. New research shows 1 million U.S. adults suffer from psoriatic arthritis. Available at: www.psoriasis.org/g300.htm. Accessed February 19, 2002