Mehmet Adam, Berrin Leblebici, Alper Nabi Erkan, Selda Bağış, and Mahmut Nafiz Akman. “Ankylosing Spondylitis and Postural Balance”. Archives of Rheumatology 23, no. 3 (September 30, 2008): 087–090. Accessed October 7, 2025. http://www.anadolupsikiyatri.net/index.php/pub/article/view/256.