1. International League of Associations for Rheumatology classification of juvenile idiopathic arthritis: second revision, Edmonton, 2001;Petty;J Rheumatol,2004
2. Are the number of joints involved or the presence of psoriasis still useful tools to identify homogeneous disease entities in juvenile idiopathic arthritis?;Martini;J Rheumatol,2003
3. Prevalence of juvenile chronic arthritis in a population of 12-year-old children in urban Australia;Manners;Pediatrics,1996
4. Textbook of pediatric rheumatology;Cassidy,2005
5. Arthritis in children and adolescents;Szer,2006