Ayuba, Yohana, et al. “Oral Administration of 3- Methylmorphine (dihydrocodeine) Has Less Likelyhood of Been a Carcinogine in Testicular Germ Cells and the Interstial Cells of Leydig in Adult Albino Wistar Rats”. Direct Research Journal of Health and Pharmacology, vol. 11, no. 3, Sept. 2024, pp. 1-6, https://journals.directresearchpublisher.org/index.php/drjhp/article/view/198.