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A vocal amplification patch could help stroke patients and first responders
A vocal amplification patch could help stroke patients and first responders,The potential benefits extend to both vocal individuals, and those unable to audibly speak such as people who have received a laryngectomy.

A vocal amplification patch could help stroke patients and first responders

The potential benefits extend to both vocal individuals, and those unable to audibly speak such as people who have received a laryngectomy.