| 摘要 |
Apparatus ( 10,12 ) for relieving pain in a mammal comprises a generator ( 32, 40, 22 ) for an audible signal having a level at a source ( 22 ) of the signal of smaller than 100 dBA and having a frequency of between 50 Hz and 1000 Hz. An applicator ( 12 ) for applying the audible signal to the body of the mammal is also provided.
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