Clinical, Patient-Reported, and Ultrasound Outcomes from an Open-Label, 12-week Observational Study of Certolizumab Pegol in Spanish Patients with Rheumatoid Arthritis with or without Prior Anti-TNF Exposure Francisco J. Blanco; Esteban Rubio-Romero; Raimon Sanmartí; César Díaz-Torné; Pablo Talavera; Jochen Dunkel; Esperanza Naredo;

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;

Validación del HAQ-UP-A (Health Assessment Questionnaire-Upper limbs Argentine version) en pacientes con artritis reumatoide Juan Manuel Bande; Silvia Beatriz Papasidero; María Alejandra Medina; María Julia Santa Cruz; Diana Silvia Klajn; José Ángel Caracciolo; Julieta Giantinoto; Florencia Pelagagge; María Gabriela Battaglia;