“PAINKILLERS, THEIR CHEMICAL COMPOSITION, AND THE MECHANISM OF THEIR EFFECT ON THE HUMAN BODY”, Wor.Bul.Pub.Helt., vol. 45, pp. 21–24, Apr. 2025, Accessed: Apr. 18, 2026. [Online]. Available: https://www.scholarexpress.net/index.php/wbph/article/view/5153