Ahmed, Omer Hamza Ali, et al., translators. “Drain Catheter-Induced Urinary Bladder Fistula: A Rare Complication Following Exploratory Laparotomy for Duodenal Ulcer”. Indian Journal of Case Reports, vol. 11, no. 11, Nov. 2025, https://doi.org/10.32677/ijcr.v11i11.7822.