Rama López, J., F. A. Muñoz-Proto, M. Valero-Camps, and J. J. Torres-Rovira. “Small-Cell Carcinoma of the Parotid Gland”. Portuguese Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 54, no. 3, May 2017, pp. 203-5, doi:10.34631/sporl.553.