Byakodi, K. G., H. B. S., V. Teggimani, N. Kabade, A. Hiregoudar, and V. M. R. “Factors Affecting Morbidity and Mortality in Peptic Ulcer Perforation”. International Surgery Journal, vol. 5, no. 4, Mar. 2018, pp. 1335-40, doi:10.18203/2349-2902.isj20181105.