1. Population aging: a comparison among industrialized countries;Anderson;Health Affairs,2000
2. Banerjee, K.S., 1975. Cost of Living Index Numbers: Practice, Precision, and Theory. Marcel Dekker, New York.
3. Controlling health care expenditures;Blumenthal;New England Journal of Medicine,2001
4. Canadian Institute for Health Information 1998. National Health Expenditure Trends, 1975–1998.
5. Declining disability among the elderly;Cutler;Health Affairs,2001