Cost evolution of biological drugs in rheumatoid arthritis patients in a tertiary hospital: Influential factors on price Mariángeles González Fernández; Elena Villamañán; Inmaculada Jiménez-Nácher; Francisco Moreno; Chamaida Plasencia; Francisco Gayá; Alicia Herrero; Alejandro Balsa;

Practical aspects of biological throught levels and antidrug antibodies in rheumatoid arthritis and spondyloarthritis José Rosas; María Martín-López; Teresa Otón; Alejandro Balsa; Jaime Calvo-Alén; Raimon Sanmartí; Jesús Tornero; Loreto Carmona;

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;