1. Cassidy JT, Petty RE, Laxer RM, Lindsley CB (eds). Textbook of Pediatric Rheumatology, 5th edn. Elsevier Saunders Company: Philadelphia, 2005.
2. Brewer Jr EJ, Bass J, Baum J, Cassidy JT, Fink C, Jacobs J et al. Current proposed revision of JRA Criteria. JRA Criteria Subcommittee of the Diagnostic and Therapeutic Criteria Committee of the American Rheumatism Section of The Arthritis Foundation. Arthritis Rheum 1977; 20 (Suppl 2): 195–199.
3. European League Against Rheumatism. EULAR Bulletin No. 4: Nomenclature and Classification of Arthritis in Children. National Zeitung AG: Basel, 1977.
4. Fink CW . Proposal for the development of classification criteria for idiopathic arthritides of childhood. J Rheumatol 1995; 22: 1566–1569.
5. Petty RE, Southwood TR, Baum J, Bhettay E, Glass DN, Manners P et al. Revision of the proposed classification criteria for juvenile idiopathic arthritis: Durban, 1997. J Rheumatol 1998; 25: 1991–1994.