Tekeli, Ahmet Hüsrev. “Pulmonary and Cardiac Involvement in Patients With Rheumatoid Arthritis and Ankylosing Spondylitis”. The European Research Journal 9, no. 2 (March 3, 2023): 291–300. Accessed May 22, 2026. https://www.eurj.org.tr/article/view/726.