Pirino, A., L. Ulgheri, M. A. Sotgiu, P. Bandiera, G. Soro, P. M. Campus, R. Sanna, A. Oggiano, R. Orizi, S. Riccio, and A. Montella. “Prenatal and Postnatal Diagnosis of Cleft Lip and Palate”. Italian Journal of Anatomy and Embryology, vol. 118, no. 2, Jan. 2014, p. 154, https://oajournals.fupress.net/index.php/ijae/article/view/3829.