Ahmed Abbas Darjal, Arkan Bahlol Naji. How Ready Are Gym Users to Refrain from Performance-Enhancing Substances? The Transtheoretical Model of Change as a Theoretical Framework. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Sep. 10 [cited 2024 Nov. 24];16(07):649. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/2275