Sisto, Margherita, Domenico Ribatti, and Sabrina Lisi. “Structure, Morphology and Signalling Development Mechanisms of Human Salivary Glands”. Italian Journal of Anatomy and Embryology 124, no. 3 (May 20, 2020): 305–318. Accessed April 26, 2024. https://oajournals.fupress.net/index.php/ijae/article/view/11659.