Kepekçi, Y., Boğa, C., Tamer, L., Çığlı, A., Meram, İclal and İsbir, T. 1993. Plasma copper levels in ankylosing spondylitis with cardiac involvements: [Kardiak Tutulumu Olan Ankilozan Spondilitisli Olgularda Plazma Bakır Düzeyleri]. European Journal of Therapeutics. 4, 1 (Jan. 1993), 1–6. DOI:https://doi.org/10.58600/eurjther.19930401-1125.