Delgado-Gil, J. E., Krstulovic, C., Pérez-Guillén, V., García-Zamora, E., & Pérez-Garrigues, H. (2019). Sudden idiopathic deafness. Review of 58 cases. Revista ORL, 10(4), 235–243. https://doi.org/10.14201/orl.20151