Spinosi, Maria. C, Chiara Mezzedimi, Giovanni Monciatti, and Desiderio Passali. 2018. “Internal Laryngocele: Unusual Onset in a 91-Year-Old Female Patient”. Sultan Qaboos University Medical Journal 18 (1):e104-106. https://doi.org/10.18295/squmj.2018.18.01.018.