Mehmet Adam, Berrin Leblebici, Alper Nabi Erkan, Selda Bağış, & Mahmut Nafiz Akman. (2008). Ankylosing Spondylitis and Postural Balance. Archives of Rheumatology, 23(3), 087–090. Retrieved from http://anadolupsikiyatri.net/index.php/pub/article/view/256