1. Old Age in the 21st Century;Atkins,1994
2. Will the baby boomers go bust?;Butler;Geriatrics.,1990
3. Baby boomers grow up;Lumsdon;Hospitals & Health Networks.,1993
4. Demographics of aging;Chernoff,1991
5. The third national health and nutrition examination survey;Burt;Gerontologist.,1994