Gibelli, D., F. Collini, M. Zago, C. Dolci, C. Cattaneo, and C. Sforza. “Variations of Midfacial Soft-Tissue Thickness Between 6 and 18 Years for the Reconstruction of the Profile: A Help for Facial Reconstruction of Children”. Italian Journal of Anatomy and Embryology, vol. 121, no. 1, Oct. 2017, p. 61, https://oajournals.fupress.net/index.php/ijae/article/view/2199.