Experts document on methotrexate use in combined therapy with biological or targeted synthetic disease modifying drugs in patients with rheumatoid arthritis Jesús Tornero-Molina; Mercedes Alperi-López; Ivan Castellví; Juan José de Agustín-de Oro; Alejandro Escudero; Rosario García-Vicuña; Miguel Ángel González-Gay; Cristina Hidalgo; Esteban Rubio; Raimon Sanmartí; Núria Casamira; Jaime Calvo-Alén;

Usefulness of ultrasound in the assessment of the efficacy of apremilast in psoriatic arthritis: Articular, enthesitic and nail index Juan José de Agustin; Gustavo Adolfo Añez; Delia Reina; Sergi Heredia; Julio Ramirez; Andrea Mireya Cuervo; Jesus Rodriguez; Carmen Moragues; Patricia Moya; Ana Maria Laiz Alonso; Mireia Moreno; Marta Arevalo; Manel Pujol; Georgina Salvador; Noemi Busquets; Andres Ponce; Maria Pascual Pastor;

Survey to evaluate exposure to environmental factors in patients with rheumatoid arthritis Alexandra Zúñiga; Alba Luz León Álvarez; Luisa Carbal-Reyes; Daniel Rodríguez; Juan-Camilo Díaz; Gloria Vásquez; Diana Castaño;