1. Hearing Ability of Persons by Sociodemographic and Health Characteristics: United States 1982;Ries,1982
2. Assessment of hearing health knowledge;Singer;Gerontologist,1982
3. Hearing health system criticized by Nader retired professional action group;Rees;ASHA,1973
4. Prevalence of Selective Impairments-1977,1981
5. Prevalence estimates of communicative disorders in the U.S. Language, hearing and vestibular disorders;Leske;ASHA,1981