La fibromialgia con factor reumatoide elevado se asocia a mala respuesta terapéutica pero no con progresión a artritis reumatoide. Estudio de cohortes prospectivo Freddy Liñán Ponce; Juan Leiva Goicochea; David Sevilla Rodríguez; Elmer Hidalgo Bravo; Ginna Obregón Atanacio; Inés Loyola Macalapú; Paola Jáuregui Rojas; Jackeline Yampufe Canani;

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;

Clinical course and flare predictors in patients with rheumatoid arthritis in low disease activity and ultrasound remission monitored by ultrasound yearly and on-demand: A prospective 2-year observation study Takeo Abe; Masao Tamura; Kazuyuki Tsuboi; Yuko Minagawa; Kazuteru Noguchi; Chie Ogita; Teppei Hashimoto; Naoto Azuma; Kiyoshi Matsui;