Clinical, Patient-Reported, and Ultrasound Outcomes from an Open-Label, 12-week Observational Study of Certolizumab Pegol in Spanish Patients with Rheumatoid Arthritis with or without Prior Anti-TNF Exposure Francisco J. Blanco; Esteban Rubio-Romero; Raimon Sanmartí; César Díaz-Torné; Pablo Talavera; Jochen Dunkel; Esperanza Naredo;

Ultrasound tenosynovitis: A differential feature of patients with seronegative rheumatoid arthritis Santiago Ruta; Einer Sanchez Prado; Facundo Salvatori; Juan Arguello; Darío Aguerre; Sebastián Magri; Rodrigo García Salinas;

Can we predict the risk factors for switching due to ineffectiveness in the first year of therapy with bDMARD in patients with rheumatoid arthritis? Ana Martins; Sofia Pimenta; Daniela Oliveira; Rafaela Nicolau; Alexandra Bernardo; Teresa Martins Rocha; Lúcia Costa; Miguel Bernardes;