1. The aging population in the twenty-first century: statistics for health policy,1988
2. Aging America: trends and projections,1991
3. The second fifty years: promoting health and preventing disability;Berg,1990
4. Compression of morbidity;Fries;Milbank Q,1983
5. Aging, natural death, and the compression of morbidity: another view;Schneider;N Engl J Med,1983