Similarities and differences between non-radiographic and radiographic axial spondyloarthritis: The patient perspective from the Spanish atlas Marco Garrido-Cumbrera; Jordi Gratacos; Eduardo Collantes-Estevez; Pedro Zarco; Carlos Sastre; Sergio Sanz-Gómez; Victoria Navarro-Compán;

Elevated oxidative stress markers in patients with ankylosing spondylitis: A case¿control study Zouhour Gassara; Hela Fourati; Mariem Meseddi; Aida Elleuch; Afef Feki; Mohamed Hedi Kallel; Sofien Baklouti; Khansa Chaabouni; Fatma Ayadi;

Disease control in patients with ankylosing spondylitis in real clinical practice in Spain: Results of the MIDAS study Eugenio de Miguel; Cristina Fernández-Carballido; Jordi Gratacós; José L. Pablos; Xavier Juanola; Rafael Ariza; Pau Terradas-Montana; Cristina Sanabra; Carlos Sastré;