Machado, Pedro Portuguese recommendations for the use of biological therapies in patients with axial spondyloarthritis - 2016 update. [electronic resource] - Acta reumatologica portuguesa - 209-218 p. digital Publication Type: Journal Article; Practice Guideline ISSN: 2184-8777 Subjects--Topical Terms: Biological Therapy--standardsHumansSpondylarthritis--therapy