The Behavioral and Psychological Symptoms of Dementia in Down Syndrome Scale (BPSD-DS II): Optimization and Further Validation. Dekker AD, Ulgiati AM, Groen H, Boxelaar VA, Sacco S, Falquero S, Carfi A, di Paola A, Benejam B, Valldeneu S, et al. J Alzheimers Dis. 2021; 81(4):1505-1527. PMID: 33967040. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow