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© 1928 Nature Publishing Group

High Frequency Sound Waves of Small Intensity and their Biological Effects

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Page 1: High Frequency Sound Waves of Small Intensity and their Biological Effects

© 1928 Nature Publishing Group

Page 2: High Frequency Sound Waves of Small Intensity and their Biological Effects

© 1928 Nature Publishing Group

Page 3: High Frequency Sound Waves of Small Intensity and their Biological Effects

© 1928 Nature Publishing Group