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;

Evaluation of serum IgG4 levels as a screening tool for IgG4-related disease: Data from a retrospective study Pablo Martínez Calabuig; Jorge Juan Fragío Gil; Roxana González Mazarío; Laura Salvador Maicas; Mireia Lucía Sanmartín Martínez; Antonio Sierra Rivera; Laura Abenza Barberá; María Cristina Sabater Abad; Francesc Puchades Gimeno; Inmaculada Castelló Miralles; Amalia Rueda Cid; Cristina Campos Fernández;

Recurrent pericarditis after Covid-19 David Rodrigo Domínguez; Amalia Rueda Cid; Cristina Campos Fernández; Clara Molina Almela; Juan José Lerma Garrido; M. Dolores Pastor Cubillo;