& G. OLOREDE, S. B. J. O. Effects of Separate and Combined Chronic Ingestion of Tramadol and Codeine on Aggressive Behaviour among Female Albino Rats. Covenant International journal of Psychology, [S. l.], v. 5, n. 1, 2020. Disponível em: https://journals.covenantuniversity.edu.ng/index.php/cijp/article/view/2100. Acesso em: 25 apr. 2024.