Feast, A., Orrell, M., Charlesworth, G., Melunsky, N., Poland, F., & Moniz-Cook, E. (2016). Behavioural and psychological symptoms in dementia and the challenges for family carers: systematic review. British journal of psychiatry, 208(5), 429-434. https://doi.org/10.1192/bjp.bp.114.153684