PT - JOURNAL ARTICLE AU - Adrian Ciurea AU - Almut Scherer AU - Ulrich Weber AU - Regula Neuenschwander AU - Giorgio Tamborrini AU - Pascale Exer AU - Jürg Bernhard AU - Peter M Villiger AU - Rudolf Kissling AU - Beat A Michel AU - Daniel Stekhoven TI - Age at symptom onset in ankylosing spondylitis: is there a gender difference? AID - 10.1136/annrheumdis-2014-205613 DP - 2014 Oct 01 TA - Annals of the Rheumatic Diseases PG - 1908--1910 VI - 73 IP - 10 4099 - http://ard.bmj.com/content/73/10/1908.short 4100 - http://ard.bmj.com/content/73/10/1908.full SO - Ann Rheum Dis2014 Oct 01; 73