188 Real-world data on the use of certolizumab pegol for the treatment of axial spondyloarthritis in clinical practice in Europe: 24-week interim results from a prospective non-interventional cohort study. (25th April 2018) - Goodson, Nicola; Witte, Torsten; De Clerck, Luc; Galeazzi, Mauro; Collantes-Estévez, Eduardo; Kumke, Thomas; Baraliakos, Xenofon