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). Issue 8 (26th April 2013) - Poddubnyy, Denis; Haibel, Hildrun; Listing, Joachim; Märker-Hermann, Elisabeth; Zeidler, Henning; Braun, Jürgen; Sieper, Joachim; Rudwaleit, Martin