Survey to answer:

"​How does air quality affect vocal function?"

 http://vocalfunctionairpollution.webstarts.com 

vocalfunctionairpollution@gmail.com

The process of participating:
Send an email and a document will be emailed to you to fill out and return, or a link for you to answer 15 questions will be sent to you for answering an online questionnaire.










































































 


 










 


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