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Hearing levels of adults by race, region, and area of residence, United States, 1960-1962
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September 1967
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Description:Distribution by race, region, area, age and sex of hearing thresholds for the better ear in excess of 15 decibels and 5 decibels or more below audiometric zero as determined by pure-tone air-conduction audiometric tests at frequencies of 500, 1000, 2000, 3000, 4000, and 6000 cycles per second.
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Content Notes:Public Health Service publication, no. 1000-Ser. 11, no. 26.
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Pubmed ID:5299718
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