Ümit Dündar, Deniz Evcik, Tuncay Çakır, Orhan Aktepe, Mustafa Altındiş, and Vural Kavuncu, “RELATIONSHIP BETWEEN ANTI-CCP ANTIBODIES AND DISEASE ACTIVITY, RADIOLOGICAL DAMAGE IN PATIENTS WITH RHEUMATOID ARTHRITIS”, Archives of Rheumatology, vol. 20, no. 2, pp. 009–014, Jun. 2005.