1. DigitalVHI—a freeware open-source software application to capture the Voice Handicap Index and other questionnaire data in various languages
   Christian T. Herbst et al, 2015, Logopedics Phoniatrics Vocology CrossRef
2. DISTRIBUTION OF BENIGN LARYNGEAL TUMORS IN CORRELATION WITH DURATION OF CIGARETTE SMOKING
   null null et al, 2017, Acta Medica Medianae CrossRef