Hyperbaric oxygen in tinnitus: Influence of psychosocial factors on treatment results? - Porubsky, C; Stiegler, P; Matzi, V; Lipp, C; Kontaxis, A; Klemen, H; Walch, C; Smolle-Jüttner, F (ORL – Oto-Rhino-Laryngology, 2007)