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  1. 1
    They're your ears, protect them : hearing loss caused by farm noise is preventable /
    by Mulhern, Barbara
    Published 2007
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    Government Document eBook
  2. 2
    Occupational noise exposure standard and hearing conservation amendment.
    Published 1987
    Government Document Book
  3. 3
    On sounds inaudible by certain ears /
    Microform Book
  4. 4
    Hearing ability of persons by sociodemographic and health characteristics : United States /
    by Ries, Peter W.
    Published 1982
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    Government Document eBook
  5. 5
    Compliance guide to MSHA's occupational noise exposure standard.
    Published 2000
    Adobe Acrobat Reader required
    Government Document Microform Book
  6. 6
    Hearing levels of children by demographic and socioeconomic characteristics, United States /
    by Roberts, Jean, 1918-
    Published 1972
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    Government Document eBook
  7. 7
    Hearing and related medical findings among children : race, area, and socio-economic differentials, United States /
    by Roberts, Jean, 1918-
    Published 1972
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    Government Document eBook
  8. 8
    Hearing levels of children by age and sex, United States /
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    Government Document eBook
  9. 9
    Hearing sensitivity and related medical findings among children, United States /
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    Government Document eBook
  10. 10
    Hearing levels of youths 12-17 years, United States : distribution of monaural hearing levels of youths 12-17 years at frequencies of 250, 500, 1000, 2000, 3000, 4000, 6000, and 8000 hertz as determined in individual air-conduction tests, by age, sex, race, geographic region, size of place of residence, family income, and education of parent /
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    Government Document eBook
  11. 11
    Hearing sensitivity and related medical findings among youths 12-17 years, United States /
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    Government Document eBook
  12. 12
    Basic data on hearing levels of adults 25-74 years, United States, 1971-1975 /
    by Rowland, Michael, 1945-
    Published 1980
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    Government Document eBook
  13. 13
    Loudness balance study of selected audiometer earphones : determination of the characteristics of three configurations of TDH-39 earphones used in the first three cycles of the Health Examination Survey and the newer TDH-49 earphone, by the method of loudness balance on human subjects /
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    Government Document eBook
  14. 14
    Noise audiometry /
    by Tobias, Jerry V., 1929-
    Published 1971
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    Government Document Book
  15. 15
    Exposures from headset interference tones /
    by May, Noal D.
    Published 1992
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    Government Document Book
  16. 16
    Auditory effects of noise on air-crew personnel /
    by Tobias, Jerry V., 1929-
    Published 1972
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    Government Document Book
  17. 17
    The ability of mildly hearing-impaired individuals to discriminate speech in noise /
    by Suter, Alice H.
    Published 1978
    Government Document Book
  18. 18
    Hearing levels of adults by race, region, and area of residence, United States - 1960-1962 /
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    Government Document eBook
  19. 19
    Hearing status and ear examination : findings among adults, United States - 1960-1962 /
    by Roberts, Jean, 1918-
    Published 1968
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    Government Document eBook
  20. 20
    Hearing levels of adults by age and sex, United States, 1960-1962 : distributions of hearing levels of adults by age and sex at frequencies of 500, 1000, 2000, 3000, 4000, and 6000 cycles per second, for right ear, left ear, and better ear /
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    Government Document eBook
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