1. Barua, A., Ghosh, M. K., Kar, N., & Basilio, M. A. (2011). Prevalence of depressive disorders in the elderly. Annals of Saudi Medicine, 31(6), 620–624. https://doi.org/10.4103/0256-4947.87100
2. Centre for Health Protection. (2012). Depression: Beyond feeling blue. Non-communicable Diseases Watch, 5(9). https://www.chp.gov.hk/files/pdf/ncd_watch_sep2012.pdf
3. Cheung, K. (2016, June 26). HKFP’s comprehensive guide to mental health services in Hong Kong. Hong Kong Free Press. https://www.hongkongfp.com/2016/06/26/hkfps-comprehensive-guide-to-mental-health-services-in-hong-kong/
4. Chow, E. S. L., Kong, B. M. H., Wong, M. T. P., Draper, B., Lin, K. L., Ho, S. K. S., & Wong, C. P. (2004). The prevalence of depressive symptoms among elderly Chinese private nursing home residents in Hong Kong. International Journal of Geriatric Psychiatry, 19(8), 734–740. https://doi.org/10.1002/gps.1158
5. Chui, W. T. E., Chan, K. S., Chong, M. L. A., Ko, S. F. L., Law, C. K. S., Law, C. K., Leung, M. F. E., Leung, Y. M. A., Lou, W. Q. V., & Ng, Y. T. S. (2009). Elderly commission’s study on residential care services for the elderly final report. https://www.elderlycommission.gov.hk/en/download/library/Residential%20Care%20Services%20-%20Final%20Report(eng).pdf