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;

Rotator cuff tendinopathy is associated with increased activity score in rheumatoid arthritis Jorge Medina-Castillo; Rodrigo J. Castillo-de la Garza; David Vega-Morales; Jorge A. Esquivel-Valerio; Axel A. De León-Pérez; Lorenia De La Cruz-Becerra; Alondra Elizabeth Montoya-Montes; Lourdes Gil-Flores; Dionicio Ángel Galarza-Delgado;