BONE-CONDUCTION THRESHOLDS OBTAINED BY PLACEMENT ON THE FOREHEAD.
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Bone Conduction↗
Biomedical subjects
J L PETERSON
Publications and source records attributed to J L PETERSON.
A comparison of bone-conduction thresholds by conventional and Rainville methods.
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Audiometry↗
Some relations between normal hearing for pure tones and for speech.
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Hearing↗
A small hospital develops a pharmacy department.
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Hospitals↗