TY - JOUR T1 - Unclassified early arthritis is often spondyloarthritis. JF - The Journal of Rheumatology JO - J Rheumatol SP - 1393 LP - 1393 VL - 30 IS - 6 AU - Kalevi Kaarela AU - Juha K Jantti AU - Kari Lehtinen Y1 - 2003/06/01 UR - http://www.jrheum.org/content/30/6/1393.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -