Egwuatu, Tochukwu Frank, and Onyekachi Ogbonnaya Iroanya. “Association of Cannabinoid-Receptor 1 Gene With Chronic Polysubstance Use Among Nigerian Male Commercial Motor Vehicle Drivers”. Genetics & Applications 8, no. 1 (May 9, 2024). Accessed October 17, 2025. https://genapp.ba/editions/index.php/journal/article/view/205.