Cost-effectiveness analysis of the early versus established phase clinical approach in a cohort of patients with rheumatoid arthritis in a fourth level health care institution in Colombia Carolina Sarmiento-Peña; Gerardo Quintana-López;

Intravenous tocilizumab in the management of rheumatoid arthritis: Clinical practice findings from a 6-month international, multicentre, observational study in Central America and the Caribbean Alma-Xochitl Ortega-Gómez; Alfredo Sanabria-Castro; Raúl Alpízar-Campos; Generoso Guerra-Bautista; José-Alexis Méndez-Rodríguez; Roberto Muñoz-Louis; Nilmo Chávez-Pérez; Erwin-Stuardo Cajas-Melgar; Edgardo González-Sevillano; Alejandra López-Barquero;