Yahaya, T. A., Itohan, A. M., Ameh, F. S. and Adeola, S. O. (2016) “Crinum zeylanicum memory enhancing effect is mediated via central cholinergic transmission system”, International Journal of Basic & Clinical Pharmacology, 4(5), pp. 864–868. doi: 10.18203/2319-2003.ijbcp20150857.