Kamphuis, S.S.M.

patient disease arthritis response subtype study idiopathic arthritis course disease activity oligoarthriti hsp 60 muscle activity polyarthriti remission control factor idiopathic association percentage rheumatology analysis treatment netherland physician university muscle tissue diagnosis sample traf 1/c region etanercept frequency assessment allele jia patients children tissue table paediatrics /paediatric rheumatology dm patients alber time-to-start mtx cytokine signi web-based difference department rheumatol muscle biopsy samples month signi ficantly disease course jia subtypes value rf-negative protein region group risk factor paediatric centre article result cohort stimulation production blood rf-negative polyarthritis rheum joint van rossum mtx response antigen center biopsy methotrexate medication locus fi fth years polyarticular