Liew Tau Ming, Yap Philip, Feng Lei, Gao Qi, Ng Tze Pin
Department of Geriatric Psychiatry, Institute of Mental Health, Singapore.
Department of Geriatric Medicine, Khoo Teck Puat Hospital, Singapore.
J Am Med Dir Assoc. 2016 Apr 1;17(4):367. doi: 10.1016/j.jamda.2016.01.018. Epub 2016 Feb 20.