Ferrari, M., A. Schreiber, D. Mattavelli, D. Lombardi, V. Rampinelli, F. Doglietto, P. Nicolai, and L. F. Rodella. “Surgical Anatomy of the Parapharyngeal Space: A Multiperspective, Quantification-Based Study”. Italian Journal of Anatomy and Embryology, vol. 123, no. 1, Dec. 2018, p. 87, doi:10.13128/ijae-11391.