Diomede, F., J. Pizzicannella, I. Merciaro, and O. Trubiani. “Bone Regeneration Process Driven to Human Periodontal Ligament Stem Cells Cultured onto Corticocancellous Scaffold”. Italian Journal of Anatomy and Embryology, vol. 120, no. 1, Sept. 2015, p. 130, https://oajournals.fupress.net/index.php/ijae/article/view/4084.