Archibong , Victor Bassey, Ibe Michael Usman, and Ann Monima Lemuel. “Chronic Codeine Medication Causes Myelin Degeneration and Motor Impairment in Experimental Animals”. Cutting Edge Research in Biology Vol. 9 (July 5, 2023): 123–135. Accessed June 28, 2026. https://stm.bookpi.org/CERB-V9/article/view/11182.