THE INDICATION OF HEARING AID BY PURE TONE AUDIOMETRY:1) Indication of a hearing aid and the average hearing loss of the ear which has better hearing
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概要
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The indication of a hearing aid was determined at first by speech audiometry in the free field on 47 cases and then the average hearing loss (C2+C3*2+C4/4 db) of the better ear was det- ermined. These values were compared with each other and a hearing aid was indicated by pure- tone audiometry as follows :
- 一般社団法人 日本耳鼻咽喉科学会の論文