2Fabijanska A, P, ogowski M, Bartnik G,et al. Epidemiology of tinnitusand hyperacusis in Poland//Hazell JWP,ed. Proceedings of the Sixth International Tinnitus Seminar. London:Tinnitus and Hyperacusis Centre, 1999. 569-571.
3Andersson G, Lindvall N, Hursti T, et al. Hypersensitivity to sound(hyperacusis):a prevalence study conducted via the Internet and post. Int J Audiol,2002,41 : 545-554.