Authors: Gabrielle H Kingsley; Anna Kowalczyk; Helen Taylor; Fowzia Ibrahim; Jonathan C Packham; Neil J McHugh; Diarmuid M Mulherin; George D Kitas; Kuntal Chakravarty; Brian D M Tom; Aidan G O'Keeffe; Peter J Maddison; David L Scott Journal: Rheumatology (Oxford) Date: 2012-02-17 Impact factor: 7.580