Can we predict the risk factors for switching due to ineffectiveness in the first year of therapy with bDMARD in patients with rheumatoid arthritis? Ana Martins; Sofia Pimenta; Daniela Oliveira; Rafaela Nicolau; Alexandra Bernardo; Teresa Martins Rocha; Lúcia Costa; Miguel Bernardes;

Association between hypothyroidism and elderly-onset rheumatoid arthritis: A cross-sectional study at national hospital in Peru Paul J. Tejada-Llacsa; Vidia Lumbe Diaz; Carlos Diaz-Arocutipa;

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;