Age at symptom onset in ankylosing spondylitis: is there a gender difference?
Adrian Ciurea, Almut Scherer, Ulrich Weber, Regula Neuenschwander, Giorgio Tamborrini, Pascale Exer, Jürg Bernhard, Peter M Villiger, Rudolf Kissling, Beat A Michel, Daniel Stekhoven
Annals of the Rheumatic Diseases Oct 2014, 73 (10) 1908-1910; DOI: 10.1136/annrheumdis-2014-205613