Stein, Christoph, Julia Hopfeld, Helene Lau, and Jochen Klein. “Effects of Ginkgo Biloba Extract EGb 761, Donepezil and Their Combination on Central Cholinergic Function in Aged Rats”. Journal of Pharmacy & Pharmaceutical Sciences 18, no. 4 (October 30, 2015): 634–646. Accessed November 24, 2024. https://journals.library.ualberta.ca/jpps/index.php/JPPS/article/view/25273.