1. (1) World health statistics. Life expectancy and mortality. In: World health statistics 2013. Geneva: WHO Press, 2013: 49–60.
2. (2) Economics Department Organisation for Economic Co-operation and Development. OECD 2010, “Health care systems: Getting more value for money”, OECD Economics Department Policy Notes, No. 2. Paris: OECD Economics Department, 2013.
3. (3) http://www.iryoseido.com/kouenkai/002.html (2013.12.20)