Factors associated with the use of tumor necrosis factor alpha inhibitors in a population of Colombian patients with spondyloarthritis Luis Fernando Pinto-Peñaranda; Andrés Felipe Echeverri-García; Mauricio Restrepo-Escobar; María Fernanda Álvarez Barreneche; Alejandro Hurtado; Javier D. Márquez-Hernández;

Design and implementation of clinical care centres for spondyloarthritis. A benchmark care and disease model in chronic pathologies Wilson Bautista-Molano; Paul Méndez-Patarroyo; Helbert Orlando Arévalo Roa; Gerardo Quintana-López;

Applicability of the MASEI index in enthesis and its association with other indices/serological markers of activity in patients with spondyloarthritis David Castro-Corredor; Luis Ángel Calvo Pascual; Marco Aurelio Ramírez Huaranga; Marcos Alfredo Paulino Huertas;