1. Gaitz CM Niederehe G Wilson NL eds. Aging 2000: Our Health Care Destiny. New York NY: Springer-Verlag; 1985;2:35.
2. Heart and Stroke Facts. Canberra Australia: National Heart Foundation of Australia; 1996.
3. Commonwealth Bureau of Census and Statistics Catalogue No. 3201.0 . Canberra Australia: Commonwealth Bureau of Census and Statistics; 1995.
4. Caselli G Lopez AD. Health and Mortality Among Elderly Populations . New York NY: Clarendon Press; 1996.
5. World Population Projections . Baltimore Md: Johns Hopkins University Press; 1990.