RT Journal Article SR Electronic T1 The place of juvenile onset spondyloarthropathies in the Durban 1997 ILAR classification criteria of juvenile idiopathic arthritis. International League of Associations for Rheumatology. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 869 OP 874 VO 29 IS 5 A1 Burgos-Vargas, Rubén A1 Rudwaleit, Martín A1 Sieper, Joachim YR 2002 UL http://www.jrheum.org/content/29/5/869.abstract AB