R, Mirochnik, et al. “Delayed Postoperative Pneumothorax and Pneumomediastinum Following Orthognatic Surgery; A Rare Case Report and Literature Review”. Archives of Clinical and Medical Case Reports, vol. 3, no. 4, Aug. 2019, pp. 199-05, https://fortunejournals.org/ojs/index.php/acmcr/article/view/22138.