Pratt, R. D., Wilcock, G. K., Whitehead, A., Perdomo, C., Birks, J., & Evans, J. G. (2004). Donepezil for the symptomatic treatment of patients with mild to moderate Alzheimer's disease: A meta-analysis of individual patient data from randomised controlled trials. International Journal of Geriatric Psychiatry, 19(7), 624-633. https://doi.org/10.1002/gps.1133