title: Growing pains: the ILAR classification of juvenile idiopathic arthritis.
authors.forename: R E
authors.initials: RE
authors.lastname: Petty
mesh_terms: D001171:Arthritis, Juvenile / Q000145:classification*; D002648:Child; D006801:Humans; D012219:Rheumatology / Q000592:standards*; D012955:Societies, Medical / Q000592:standards