Persistence and adverse events of biological treatment in adult patients with juvenile idiopathic arthritis: results from BIOBADASER oleh Juan José Bethencourt Baute, Carlos Sanchez-Piedra, Dolores Ruiz-Montesinos, Marta Medrano San Ildefonso, Carlos Rodriguez-Lozano, Eva Perez-Pampin, Ana Ortiz, Sara Manrique, Rosa Roselló, Victoria Hernandez, Cristina Campos, Agustí Sellas, Walter Alberto Sifuentes-Giraldo, Javier García-González, Fernando Sanchez-Alonso, Federico Díaz-González, Juan Jesús Gómez-Reino, Sagrario Bustabad Reyes, on behalf of the BIOBADASER study group