References
- Public Health Service. Prevalence of chronic conditions and impairments. National health survey, ser 12. No. 8. Washington. DC: US Department of Health. Education, and Welfare. 1967 (DHEW publication No. 10000)
- Margolis E, Levy B, Sherman F. Hearing disorders. In: Libow LS, Sherman FT. eds. The core of geriatric medicine. St Louis: CV Mosby. 1981: 186–206
- Williamson J, Stokoe IH, Gray S, et al. Old people at home: their unreported needs. Lancet 1964: 1: 1117–20
- National Institute on Aging Task Force. Senility reconsidered: treatment possibilities for mental Impairment in the elderly. JAMA 1980: 244: 259–63
- Zimbardo PG, Andersen SM, Kabat LG. Induced hearing deficit generates experimental paranoia. Science 1981: 212: 1529–31
- Blumenthal MD. Depressive illness in old age: getting behind the mask. Geriatrics 1980: 35(4): 34–43
- Falk A, Woods F. Hospital noise—levels and potential health hazards. N Engl J Med 1973: 289: 774–81
- Hargest S. Quiet please! For patients' sake. Hospitals 1978: 52(14): 1–15