9Leonard R.Voice therapy and vocal nodules in adults[J]. Curr Opin Otolaryngol Head Neck Surg, 2009,17 (6) : 453-457.
10Ongkasuwan J,Friedman E M.Is voice therapy effective in the management of vocal fold nodules in children? [J].Laryngoscope, 2013,123 (12) :2930-2931.