Long-term Changes in the Quality of Life of Patients With Rheumatoid Arthritis Treated With Biological Therapies Luis Ortega-Valín, Isabel Mayorga-Bajo, Carolina Prieto-Fernández, Javier del Pozo-Ruiz, Esperanza Gutiérrez-Gutiérrez, Trinidad Pérez-Sandoval

Baseline comorbidities in patients with rheumatoid arthritis who have been prescribed biological therapy: A case control study Pilar Espiño-Lorenzo, Sara Manrique-Arija, Inmaculada Ureña, Francisco Gabriel Jiménez-Núñez, María López-Lasanta, Carmen María Romero-Barco, María Angeles Belmonte-López, María Victoria Irigoyen, Antonio Fernández-Nebro

VARIAR Study: Assessment of Short-term Efficacy and Safety of Rituximab Compared to an Tumor Necrosis Factor Alpha Antagonists as Second-line Drug Therapy in Patients With Rheumatoid Arthritis Refractory to a First Tumor Necrosis Factor Alpha Antagonist Vicenç Torrente-Segarra, Asunción Acosta Pereira, Rosa Morla, José Miguel Ruiz, Teresa Clavaguera, Ramon Figuls, Hector Corominas, Carme Geli, Rosa Roselló, Juan José de Agustín, Cayetano Alegre, Carolina Pérez, Angel García, Arturo Rodríguez de la Serna