B. Fatih Kocyigit, V. Nacitarhan, T. Tulay Koca, and E. Berk, “Comparison of sagittal lumbosacral parameters in patients with ankylosing spondylitis and chronic mechanical back pain ”, Ann Med Res , vol. 26, no. 2, pp. 0199–0203, May 2021, Accessed: Sep. 17, 2026. [Online]. Available: http://www.annalsmedres.org/index.php/aomr/article/view/1381