Efficacy and Safety of Cholinesterase Inhibitors and Memantine in Cognitive Impairment in Parkinsons Disease, Parkinsons Disease Dementia, and Dementia with Lewy Bodies: Systematic Review with Meta-Analysis and Trial Sequential Analysis
JNNP 86:135-143, Wang, H.F.,et al, 2015
Donepezil for Dementia in Parkinsons Disease: A Randomised, Double Blind, Placebo Controlled, Crossover Study
JNNP 76:934-939,903, Ravina,B.,et al, 2005