Good fit, trial period critical for effective hearing aids

For some, the sound is that of crickets chirping, for others it's bacon frying, or even a high-pitched ringing sound.

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<p><a href="http://www.physorg.com/news145114568.html">Good fit, trial period critical for effective hearing aids</a></p> <p>For some, the sound is that of crickets chirping, for others it's bacon frying, or even a high-pitched ringing sound.</p>