1. Basic Facts about Hearing Loss;Hearing Loss Association of America,2018
2. Hearing Loss in Persons 65 Years and Older: Mortality and Burden of Diseases and Prevention of Blindness and Deafness;World Health Organization (WHO,2012
3. Quick Statistics about Hearing;National Institute on Deafness and Other Communication Disorders,2016
4. Worker Hearing Loss;Centers for Disease Control and Prevention,2017
5. Public Health and Scientific Information;Centers for Disease Control and Prevention,2017