Shan , Shi, Li Guangming, Lei Wei, and Yang Xuedong. “Spontaneous Pneumomediastinum, Pneumothorax and Subcutaneous Emphysema in COVID-19: Case Report and Literature Review”. Revista do Instituto de Medicina Tropical de São Paulo 62 (October 9, 2020): e76. Accessed May 4, 2024. https://www.revistas.usp.br/rimtsp/article/view/178732.