Thapaliya, Pratikshya, et al. “Causes and Management Outcome of Subcutaneous Emphysema in a Busy Thoracic Surgery Unit at Teaching Hospital, Karachi”. Annals of King Edward Medical University, vol. 27, no. 1, Mar. 2021, pp. 67-73, doi:10.21649/akemu.v27i1.4405.