Tussupkalieva, Kymbat Sh., Gulzhan A. Tulegenova, and Kulash R. Zhelisbayeva. “The Epidemiology of Chronic Pain: A Global Health Crisis”. Journal of Environmental Treatment Techniques 12, no. 2 (June 20, 2024): 16–20. Accessed December 1, 2025. https://doormaj.com/ojs-3.4.0-9/index.php/jett/article/view/27.