I. A. Salem, A. F. Al-Najar, and A. T. Joda, “Evaluation of Apelin, and Tartrate-Resistant Acid Phosphatase-5b in Ankylosing Spondylitis Male Patients With and Without Osteoporosis”, Iraqi Journal of Science, vol. 60, no. 3, pp. 426–431, Mar. 2019, Accessed: Dec. 06, 2025. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/672