Lack of association between periodontitis and rheumatoid arthritis Adriana Posada-López; Jose Daniel Duque; Ricardo Antonio Pineda-Tamayo; Emilio Bedoya-Giraldo; Javier Enrique Botero;

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;