Juvenile arthritis disease activity score is a better reflector of active disease than the disease activity score 28 in adults with polyarticular juvenile idiopathic arthritis. Issue 3 (29th December 2015) - Wu, Qiong; Chaplin, Hema; Ambrose, Nicola; Sen, Debajit; Leandro, Maria J; Wing, Charlotte; Daly, Nicola; Webb, Kate; Fisher, Corinne; Suffield, Linda; Josephs, Francesca; Pilkington, Clarissa; et al.