Wandantyas, E., S. . Winoto, and Y. B. . Handoyo Sakti. “Graham’s Patch Repair for Peptic Perforation : A Review”. International Journal of Medical Science and Clinical Research Studies, vol. 2, no. 12, Dec. 2022, pp. 1385-7, doi:10.47191/ijmscrs/v2-i12-03.