Tarar JM, Nadeem K, Khan DSS, Rashid M. Spontaneous Pneumomediastinum: Clinical Presentation and Outcome in COVID-19 Patients. apmc [Internet]. 2022Dec.31 [cited 2025Jun.15];16(4):281-4. Available from: https://www.apmcfmu.com/index.php/apmc/article/view/1375