Survey to evaluate exposure to environmental factors in patients with rheumatoid arthritis Alexandra Zúñiga; Alba Luz León Álvarez; Luisa Carbal-Reyes; Daniel Rodríguez; Juan-Camilo Díaz; Gloria Vásquez; Diana Castaño;

Association of electrocardiographic altered P wave dispersion and vascular endothelial growth factor in rheumatoid arthritis Osmar Antonio Centurión; Paloma de Abreu; Gabriela Avila-Pedretti; Sonia R. Cabrera; María T. Martínez de Filártiga; Astrid Paats; Judith M. Torales; Christian O. Chávez; Carmen R. Montiel; Laura B. García; Karina E. Scavenius; Rocío del Pilar Falcón; Jose C. Candia; Alfredo J. Meza; Isabel Acosta-Colmán;

Agreement between cardiovascular risk scores in a high-altitude Andean population with rheumatoid arthritis Carlos Diaz-Arocutipa; Vidia Lumbe-Diaz; Percy Soto-Becerra;