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The Crystal Ear Hearing Aid

Full-page advertisements in The New York Times and other newspapers have promoted use of the Crystal Ear hearing aid as an inexpensive rememdy for people with impaired hearing. Some patients may be asking their physicians about these devices....
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Information about the article:
Title: The Crystal Ear Hearing Aid
Publication: The Medical Letter on Drugs and Therapeutics
Issue #: 1028
Article Code: 1028c
Date: June 5, 1998
Volume: 40
Page: 62

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