Özlem Altındağ, Mehmet Karakoç, and Neslihan Soran. 2007. “Anklyosing Spondylitis Together With Familial Mediterranean Fever: A Concomitant Disease or a Feature of FMF?”. Archives of Rheumatology 22 (3):110-13. http://anadolupsikiyatri.net/index.php/pub/article/view/232.