RT Journal Article SR Electronic T1 Juvenile idiopathic arthritis classification criteria: loopholes and diagnosis software. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 234 OP 234 VO 34 IS 1 A1 Edward M Behrens A1 Timothy Beukelman A1 Randy Q Cron YR 2007 UL http://www.jrheum.org/content/34/1/234.abstract AB