Diagnostic accuracy of Ascertain Dementia 8-item Questionnaire by participant and informant-A systematic review and meta-analysis. oleh Rajiv Tanwani, Mercy O Danquah, Nina Butris, Aparna Saripella, Ellene Yan, Paras Kapoor, Marina Englesakis, David F Tang-Wai, Maria Carmela Tartaglia, David He, Frances Chung