1. World Health Organization. Deafness and hearing loss, 2020. [Available from: https://www.who.int/news-room/fact-sheets/detail/deafness-and-hearing-loss.
2. World Health Organization. New WHO-ITU standard aims to prevent hearing loss among 1.1 billion young people, 2019. [Available from: https://www.who.int/news-room/detail/12-02-2019-new-who-itu-standard-aims-to-prevent-hearing-loss-among-1.1-billion-young-people.
3. The economic impact of adult hearing loss: a systematic review;Huddle;JAMA Otolaryngol Head Neck Surg,2017
4. National research agenda for the prevention of occupational hearing loss—Part 1;Themann CL;Semin Hear,2013
5. Blackwell D.L.V., M.A...Summary health statistics: national health interview survey. 2018. 2018 [Available from: https://ftp.cdc.gov/pub/Health_Statistics/NCHS/NHIS/SHS/2018_SHS_Table_A-6.pdf.