1. International League of Associations for Rheumatology classification of juvenile idiopathic arthritis: Second Revision, Edmonton 2001;Petty;J. Rheumatol.,2004
2. EULAR bulletin no. 4: nomenclature and classification of arthritis in children;European League Against Rheumatism,1977
3. Current proposed revision of JRA criteria;Brewer;Arthritis Rheum.,1977
4. Epidemiology of chronic arthritis in childhood;Oen;Semin. Arthritis Rheum.,1996
5. Epidemiology of juvenile idiopathic arthritis in a multiethnic cohort;Saurenmann;Arthritis Rheum.,2007