Ruggiero, Marco, et al. “Transcranial Sonography: A Technique for the Study of the Temporal Lobes of the Human and Non-Human Primate Brain”. Italian Journal of Anatomy and Embryology, vol. 118, no. 3, Dec. 2013, pp. 241-55, https://oajournals.fupress.net/index.php/ijae/article/view/1158.