Anastasi, Giuseppe, et al. “Integrins in Masseter Muscle in Unilateral Crossbite Patients: An Immunohistochemical and Molecular Study”. Italian Journal of Anatomy and Embryology, vol. 116, no. 2, Nov. 2011, p. 10, https://oajournals.fupress.net/index.php/ijae/article/view/4583.