Ibrahim Asghar, Saira Fatima, Aisha Shaikh, Nargis Shaikh, Kanwal Qureshi. “Surgical Audit of Leakage After Open Surgical Repair of Perforated Peptic Ulcer”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 10, Dec. 2022, p. 288, doi:10.53350/pjmhs221610288.