Update of the position paper of the Spanish Society of Rheumatology on biosimilar drugs Miguel Ángel Abad Hernández; José Luis Andreu; Alejandro Balsa Criado; Federico Díaz-González; José Vicente Moreno Muelas; Rubén Queiro Silva; Juan J. Gómez-Reino;

Effectiveness of a checklist for the control of the disease activity in patients with axial spondyloarthritis Raquel Almodóvar; Elia Pérez-Fernández; Marta Valero; Virginia Villaverde; Laura González; Beatriz Joven Ibáñez; Eva Tomero Muriel; Alejandro Prada Ojeda; M.a Teresa Navio; Laura Cebrián Méndez; Leticia Lojo; Ramón Mazzucchelli; Pedro Zarco Montejo;

Study of the impact of the inclusion of global pain and functional capacity assessment in the definition of remission and its maintenance for rheumatoid arthritis. Aims and methodology Alejandro Balsa; Daniel Seoane-Mato; Marta Domínguez-Álvaro; Mercedes Alperi; Virginia Ruiz-Esquide; Javier Bachiller-Corral; Federico Díaz-González;