3Roy N, Merrill RM, Thibeault S, et al. Prevalence of voice disorders in teachers and the general population. Journal of Speech, Language, and Hearing Research, 2004,47 ( 2 ) : 281.
4Munier C, Kinsella R. The prevalence and impact of voice problems in primary school teachers. Occupational Medicine,2008,58 (1) :74- 76.
5Deary IJ, Wilson JA, Carding PN. Voiss: a patient-derived Voice Symptom Scale. Journal of Psychosomatic Research, 2003,54 (05) : 483-489.
6Deary I J, Wilson JA, Carding PN, et al. From dysphonia to dysphori- a:Mokken scaling shows a strong, reliable hierarchy of voice symp- toms in the Voice Symptom Scale questionnaire. Journal of psycho- somatic research,2010,68( 1 ) :67-71.
7De Campos D, Ellwanger JH, do Nasciraento PS, et al. Sexual dimor- phism in the human vocal fold innervation. Journal of Voice,2013, 27 ( 3 ) :267-272.
8Abithol J, Abithol P, Abitbol B. Sex hormones and the female voice. Journal of Voice, 1999,13 ( 3 ) :424-446.
9Aralijo TM, Reis EJFB, Carvalho FM, et al. Factors associated with voice disorders among women teachers. Cademos de Satide Pfiblica, 2008,24(6) :1229-1238.
