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The auditory system has three parts: the outer, middle and inner ear. Learn about hearing loss, hearing tests and hearing aids from a professional audiologist in this free health video. Expert: MJ DeSousa Contact: www.listenupcanada.com Bio: MJ DeSousa is Chief Audiologist and one of the founders of ListenUP! and is responsible for staffing and clinical practices, including all Audiology. Filmmaker: Kevin Fletcher

Hearing Aids

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