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

Survival of first line biological and targeted synthetic disease-modifying anti-rheumatic drugs in patients with rheumatoid arthritis in Chile Marcos Cruces Olivar, Allan D. Burboa, Yolanda M. Gómez

Adherence to Synthetic Disease-modifying Antirheumatic Drugs in Rheumatoid Arthritis: Results of the OBSERVAR Study Antonio Juan Mas, Santos Castañeda, José I. Cantero Santamaría, José L. Baquero, Francisco J. del Toro Santos