Integrating different perspectives to define a concept of comprehensive remission in rheumatoid arthritis: The SUMAR project Alejandro Balsa; José Luis Andreu; Juan Carlos Hermosa-Hernán; Josefa León-Navarro; Jordi Nicolas Pico; José Javier Pérez Venegas; Susana Romero-Yuste; Raimon Sanmarti; Antonio Ignacio Torralba Gómez-Portillo; Juan Carlos Valenzuela-Gámez; Jordi Cohen;

Crohn¿s disease in a patient with systemic onset juvenile idiopathic arthritis. Association or associated side effect of treatment? Laura Martín Pedraz; Rocío Galindo Zavala; Javier Blasco Alonso; Víctor Manuel Navas López; Esmeralda Núñez Cuadros;

Answer to the Letter to the Editor: Methotrexate in interstitial lung disease associated with rheumatoid arthritis Carmen Carrasco Cubero; Eugenio Chamizo Carmona;