Dysphonia In Teachers; Is It only a Matter of Voice Misuse?

Citation:
A., A. H., E. dessouky H., M. E, and E. M, "Dysphonia In Teachers; Is It only a Matter of Voice Misuse?", Published in Egyptian Journal Of Otolaryngology(EJO) July 2014 , vol. Vol 30, issue NO 3, pp. p.272-278, 2014.
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