“Separate and Combined Effects of Chronic Administration of Codeine and Tramadol on Food Intake and Body Weight in Male Albino Rats”. African Journal of Alcohol and Drug Abuse (AJADA) 5, no. 2 (June 30, 2021): 17–30. Accessed December 4, 2024. https://ajada.nacada.go.ke/index.php/ajada/article/view/27.