Efficacy and safety of combined therapy with synthetic disease-modifying antirheumatic drugs in rheumatoid arthritis: Systematic literature review Jaime Calvo Alén; Trinidad Pérez; Susana Romero Yuste; Iván Ferraz-Amaro; Juan José Alegre Sancho; José Antonio Pinto Tasende; Francisco Maceiras Pan; Juan Carlos Quevedo; M. Vanesa Hernández-Hernández; Cristina Hidalgo Calleja; Alejandro San Martín Álvarez; María Isabel Tevar Sánchez; Raimon Sanmartí;

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;

Ocular inflammatory manifestations in patients with rheumatoid arthritis Raul E. Ruiz-Lozano; Luis Arnaldo Prida-Espaillat; Reinaldo A. Moll-Auais; Eugenia M. Ramos-Dávila; Manuel E. Quiroga-Garza; Aaron Zhao; Ali Khodor; Amr Almobayed; David Vega-Morales; Alejandro Rodriguez-Garcia;