Update of the Consensus Statement of the Spanish Society of Rheumatology on the use of biological and synthetic targeted therapies in rheumatoid arthritis José María Álvaro-Gracia Álvaro; Petra Díaz del Campo Fontecha; José Luis Andréu Sánchez; Alejandro Balsa Criado; Rafael Cáliz Cáliz; Isabel Castrejón Fernández; Hèctor Corominas; José A. Gómez Puerta; Sara Manrique Arija; Natalia Mena Vázquez; Ana Ortiz García; Chamaida Plasencia Rodríguez; Lucía Silva Fernández; Jesús Tornero Molina;

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;

Not the same, but is it the same? Cycling of biologic agents in rheumatoid arthritis. Experience in the Instituto Mexicano del Seguro Social Francisco Javier Aceves-Ávila; José Ramiro Hernández Vásquez; Sandra Sicsick; María de Lourdes Olguín Ortega; María Azucena Ramos Sánchez; Adelfia Urenda Quezada; Lizbet Tinajero Nieto; Freddy Jose Faccin; Miguel Angel Ramírez Ramírez; Natali Serra-Bonett; Angel Mario Coll Muñoz;