Galassi, F. M., S. Mathews, M. Nüesch, R. Ballestriero, and M. Haeusler. “Neither Darwin’s nor Woolner’s, Rather Matsys’s Tubercle in the 16th Century”. Italian Journal of Anatomy and Embryology, vol. 123, no. 3, May 2019, pp. 279-81, https://oajournals.fupress.net/index.php/ijae/article/view/1662.