The association between interleukin-6 promoter polymorphisms and rheumatoid arthritis by ethnicity: A meta-analysis of 33 studies Blanca T. Pacheco-Soto; Leonardo M. Porchia; William C. Lara-Vazquez; Enrique Torres-Rasgado; Ricardo Perez-Fuentes; M. Elba Gonzalez-Mejia;

Remote monitoring tools in rheumatoid arthritis patients: FACIT-fatigue and HAQ Elena Grau García; Pablo Francisco Muñoz Rodriguez; Hikmat Charia; Jose Andrés Roman Ivorra;

Prevalence and impact of chronic joint diseases on the sexual sphere compared to a healthy population: A multicenter cross-sectional study Carlos Valera-Ribera; Juan José Alegre-Sancho; Àngels Martínez-Ferrer; Montserrat Robustillo-Villarino;