R. Merza, Raouf, Kurdistan M. Ali, Dlair M. Mohamad, and Sundus A. Wahhab. “The Relationship of Body Mass Index With Disease Activity in Ankylosing Spondylitis”. Al-Kitab Journal for Pure Sciences 3, no. 2 (December 30, 2022): 71–85. Accessed October 24, 2025. https://isnra.net/index.php/kjps/article/view/551.