Kalyani P, Madhulaxmi M, and Santhosh Kumar M P. “One-Piece Lefort Osteotomy Versus Segmental Procedure for Maxillary Skeletal Deformities - A Retrospective Study”. International Journal of Research in Pharmaceutical Sciences, vol. 11, no. (SPL 3), Oct. 2020, pp. 368-73, https://ijrps.com/home/article/view/2510.