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SciELO - Brasil - Effect of music at 432 Hz and 440 Hz on dental anxiety and salivary cortisol levels in patients undergoing tooth extraction: a randomized clinical trial Effect of music
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SciELO - Brasil - Effect of music at 432 Hz and 440 Hz on dental anxiety and salivary cortisol levels in patients undergoing tooth extraction: a randomized clinical trial Effect of music
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432 Hz vs 440 Hz Frequency Response: Why You Should Change The Frequency Of Your Music | Healing frequencies, Solfeggio frequencies, Sound frequencies
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PDF) Music tuned to 432 Hz versus music tuned to 440 Hz for improving sleep in patients with spinal cord injuries: a double-blind cross-over pilot study
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