Tunay Sarpel. “SERONEGATİF SPONDİLOARTROPATİLERİN MEDİKAL TEDAVİSİ”. Archives of Rheumatology, vol. 15, no. 1, Mar. 2000, pp. 081-6, http://anadolupsikiyatri.net/index.php/pub/article/view/11.