Joshi, Dipesh Mangal, Rony Maharjan, and Jyoti Shah. “Large Emphysematous Bulla After COVID 19 Pneumonia”. Journal of Patan Academy of Health Sciences 9, no. 1 (June 17, 2022): 12–17. Accessed November 21, 2024. https://nepjol.info/index.php/JPAHS/article/view/44265.