N. Malekpour Alamdari, F. . Shams, M. Abbasi, M. A. Azizi Nadian, M. Fathi, and S. Besharat, “COVID-19-Related Spontaneous Pneumomediastinum: An Atypical Manifestation”, J Cell Mol Anesth, vol. 6, no. 2, pp. 188–191, Jul. 2021.