Abdulwally, A. M.; Thabet, Y. A.; Albadani, M. N.; Alamri, A. L. Surgical Outcome of Management of Perforated Peptic Ulcer (Al-Gumhori General Hospital, Sana-Yemen, From January 2017 to January 2020). JMPS 2021, 5 (2), 34-13. https://doi.org/10.26389/AJSRP.D291020.