O'Connell, Henry and Lawlor, BA and Cunningham, Conal and Chin, Ai-Vyrn and Hamilton, Fiona and Walsh, JB and Coakley, Davis (2004) A systematic review of the utility of self-report alcohol screening instruments in the elderly. International Journal of Geriatric Psychiatry, 19, (11), 1074 - 1086. https://doi.org/10.1002/gps.1214.