Trento, Guilherme dos Santos, et al. “Pharyngeal Airspace in Patients Undergoing Orthognathic Surgery for Mandibular Advancement”. Brazilian Journal of Oral Sciences, vol. 14, no. 2, July 2015, pp. 112-6, https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8640823.