MODEL RELEASED. Hearing aid being worn by an 80 year old male patient. This battery powered device is worn partly behind the ear and serves to amplify sound to treat partial deafness | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Marazzi, Dr. P. |
Bildgröße: | 5157 px × 3425 px |
Modell-Rechte: | vorhanden |
Restrictions: |
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