Fleischer Susanne, Pflug Christina, Hess Markus
Deutsche Stimmklinik (German Voice Clinic), Hamburg, Germany.
Department of Voice, Speech and Hearing Disorders, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Laryngoscope. 2017 May;127(5):1140-1142. doi: 10.1002/lary.26328. Epub 2016 Oct 24.