1. Depression as a major component of public health for older adults;DP Chapman;Preventing Chronic Diseases,2008
2. Depression in Late Life: Review and Commentary;DG Blazer;Journal of Gerontology: MEDICAL SCIENCES,2003
3. Depression among older people in Europe: the EURODEP studies;J Copeland;World Psychiatry,2004
4. World Health Organization. Depression: a global public health concern.; 2012.
5. Institute for Health Metrics and Evaluation. Percentage Change in Total DALYs 1990–2010. [Online]. http://www.healthdata.org/infographic/percent-change-total-dalys-1990-2010.