Evaluation of Apelin, and Tartrate-Resistant Acid Phosphatase-5b in Ankylosing Spondylitis Male Patients With and Without Osteoporosis. Iraqi Journal of Science [Internet]. 2019 Mar. 25 [cited 2024 May 1];60(3):426-31. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/672