1. 1) Ministry of Health, Labor and Welfare: Report on health care expenditures 2004 (2006) (in Japanese).
2. 2) OECD: OECD health data 2005, Paris: OECD, 2006.
3. 3) Ministry of Health, Labor and Welfare: Forecasting of future health care expenditures (2002).
4. 4) Lubitz J, Liming C, Kramarow E, et al.: Health, Life expectancy, and health care spending among the elderly. NEJM, 49: 1048-1055 (2003).
5. 5) Yoo BK: Health Economics for "Reform". Osaka: MC Medica Shuppan, 2006 (in Japanese).