1van der Heijde D, Østergaard M, Reveille JD, et al. Spinal radiographic progression and predictors of progression in patients with radiographic axial spondyloarthritis receiving ixekizumab over 2 years. Published online December 1, 2021. J Rheum. http://dx.doi.org/10.3899/jrheum.210471
2van der Heijde D, Østergaard M, Reveille JD, et al. Evaluation of spinal radiographic progression in patients with radiographic axial spondyloarthritis receiving ixekizumab therapy over 2 years. Poster presented at: European Alliance of Associations for Rheumatology(Virtual); June 2-5, 2021.