Mesut Çolak, Namık Kemal Bingöl, Oğuz Ayhan, Şenel Avcı, and Vedat Bulut. “SERUM COPPER, ZINC AND SELENIUM LEVELS IN RHEUMATOID ARTHRITIS”. Archives of Rheumatology 16, no. 2 (June 30, 2001): 066–071. Accessed October 3, 2025. http://anadolupsikiyatri.net/index.php/pub/article/view/44.