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4. U.S. Department of Health, Education, and Welfare, National Institute on Aging, National Institutes of Health.Our Future Selves: Report of the Panel on Biomedical Research. DHEW Publication No. (NIH) 78-1445.
5. U.S. Government Office of Management and Budget,Special Analysis K: Federal Health Programs, Fiscal Year 1978. Washington, D.C., GPO, 1979.