1. Communication, functional disorders and lifestyle changes after total laryngectomy;Ackerstaff;Clin Otolaryngol,1994
2. The impact of hearing abilities on esophageal voice;Berger;HNO-Praxis,1984
3. Injector ventilation in direct laryngoscopy;Berger;Z Erkr Atmungsorgane,1986
4. Does the use of electronic devices affect the achievement of esophageal voice?;Berger;Deutsches Gesundheitswesen,1984
5. Perceived control, adjustment, and communication problems in laryngeal cancer survivors;Blood;Percept Mot Skills,1993