Pai, K. D., M. Mohan, K. K. Bhat, and T. A. Gopinathan. “Le-Fort I Access Osteotomy to Nasopharyngeal Tumor - A Case-Report”. Journal of Pierre Fauchard Academy (India Section), vol. 27, no. 4, Nov. 2018, pp. 109-12, http://informaticsjournals.com/index.php/jpfa/article/view/22676.