Leunig A, Betz C S, Mehlmann M, Stepp H, Arbogast S, Grevers G, Baumgartner R
Department of Otorhinolaryngology--Head and Neck Surgery, University of Munich, Grosshadern Clinic, Germany.
Laryngoscope. 2000 Oct;110(10 Pt 1):1783-5. doi: 10.1097/00005537-200010000-00042.