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;

Multidisciplinary consensus on the use of hydroxychloroquine in patients with systemic lupus erythematosus Íñigo Rúa-Figueroa; Tarek Carlos Salman-Monte; José María Pego Reigosa; María Galindo Izquierdo; Elvira Díez Álvarez; Antonio Fernández-Nebro; José Andrés Román Ivorra; Inmaculada Calvo Penades; Joseba Artaraz Beobide; Jaime Calvo Alén;