Clementini , M., R. Boniello, G. Gasparini, A. Moro, and S. Pelo. “SURGICAL TREATMENT OF SEVERE ATHROPIC MAXILLA BY MEANS OF MULTIPLE EXTRAORAL HARVESTING”. Oral & Implantology, vol. 2, no. 3, Sept. 2009, pp. 4-10, https://www.oimplantology.org/oimp/article/view/45.