Joshi, D. M., Maharjan, R. and Shah, J. (2022) “Large Emphysematous bulla after COVID 19 Pneumonia”, Journal of Patan Academy of Health Sciences, 9(1), pp. 12–17. Available at: https://jpahs.edu.np/index.php/jpahs/article/view/293 (Accessed: 19 April 2025).