The Prevalence of Dementia: A Systematic Review and Meta-Analysis. Cao Q, Tan C-C, Xu W, Hu H, Cao X-P, Dong Q, Tan L, Yu J-T J Alzheimers Dis. 2020; 73(3):1157-1166. PMID: 31884487. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow