Gunawardene, M. C., M. C. Ambegoda, M. A. Willaraarachchi, and A. M. Abeygunasekera. “Emphysematous Cystitis With Rare Findings of Subcutaneous Emphysema and Extraperitoneal Pelvic Gas: A Case Report”. International Surgery Journal, vol. 8, no. 11, Oct. 2021, pp. 3441-3, doi:10.18203/2349-2902.isj20214388.