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;

Expert recommendations on the interleukin 6 blockade in patients with rheumatoid arthritis Jesús Tornero Molina; Alejandro Balsa Criado; Francisco Blanco García; Ricardo Blanco Alonso; Sagrario Bustabad; Jaime Calvo Alen; Héctor Corominas; Antonio Fernández Nebro; Jose Andrés Román Ivorra; Raimon Sanmartí;

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;