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Lamore P. Doofheid – Algemene informatie-Epidemiologie (2009)

Lamore P. Doofheid – Algemene informatie-Epidemiologie (2009)

Impaired hearing and deafness

What are impaired hearing and deafness? The WHO definition of hearing impairment is a hearing loss of more than 25 dB in the best ear. The international consensus is that the average loss should be...
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