Ghabrial, Emad, and Kurt W Bütow. “A Survey of South African Maxillofacial & Oral Surgeon Opinions Regarding the Academic Education in the Field of Cleft Lip Palate and Craniofacial Deformities”. South African Dental Journal, vol. 75, no. 5, June 2020, pp. 247-52, doi:10.17159/2519-0105/2020/v75no5a3.