Takotsubo Syndrome in a Rheumatoid Arthritis Patient Under Tofacitinib: A Case Report Salomé Garcia; Georgina Terroso; Elisabete Martins; Sofia Pimenta; 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;