RT Journal Article SR Electronic T1 Cigarette smoking has a dose-dependent impact on progression of structural damage in the spine in patients with axial spondyloarthritis: results from the GErman SPondyloarthritis Inception Cohort (GESPIC) JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1430 OP 1432 DO 10.1136/annrheumdis-2012-203148 VO 72 IS 8 A1 Denis Poddubnyy A1 Hildrun Haibel A1 Joachim Listing A1 Elisabeth Märker-Hermann A1 Henning Zeidler A1 Jürgen Braun A1 Joachim Sieper A1 Martin Rudwaleit YR 2013 UL http://ard.bmj.com/content/72/8/1430.abstract AB