Kali G, Ersoy Y, Durmus B, Altay Z, Baysal O, Ersoy Y. Efficacy and Safety of Etanercept in Patients with Ankylosing Spondylitis . Ann Med Res . 2021;17(2):0091-0096. Accessed September 16, 2026. http://www.annalsmedres.org/index.php/aomr/article/view/3477