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, safety and economic analysis of Benepali in clinical practice Marta Rojas-Giménez; Natalia Mena-Vázquez; Carmen María Romero-Barco; Sara Manrique-Arija; Inmaculada Ureña-Garnica; Gisela Diaz-Cordovés; Francisco Gabriel Jiménez-Núñez; Antonio Fernández-Nebro;

Development of a care protocol in pregnancy and chronic inflammatory arthritis, in a multidisciplinary work group Andrea Pluma; Laia Alsina; Estefanía Moreno; Rafael Touriño; Manel Casellas; Dolors Grados;