Ahmed Abbas Darjal, Arkan Bahlol Naji 2022. 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. 16, 07 (Sep. 2022), 649. DOI:https://doi.org/10.53350/pjmhs22167649.