1. Webster’s New Collegiate Dictionary, 150th ed. 1981. Springfield, MA: G&C Merriam Co., p 362.
2. Goldman R. 1979. Decline in organ functioning with aging. In I Rossman (ed), Clinical Geriatrics, 2d ed. Philadelphia: J. B. Lippincott, pp 23–59.
3. DeBakey ME and McCollum CH. 1982. Vascular grafts in the elderly. Med Instrum 16:89–90.
4. Harbrecht PJ, Garrison RN and Fry DE. 1981. Surgery in elderly patients. South Med J 74:594–598.
5. Cole WH. 1970. Medical differences between the young and the aged. J Am Geriatr Soc 18:589–614.