Role of polymorphonucleates in the pathogenesis of systemic juvenile idiopathic arthritis and Still's disease: a proof of concept study. Issue 1 (December 2015) - Magnotti, F; Lucherini, OM; De Clemente, C; Talarico, R; Emmi, G; Galeazzi, M; Cimaz, R; Cantarini, L