Ilyas, S. O., S. A. Sheikh, M. D. Muneeb, M. A. Makhdoomi, E. Naz, S. Bano, and A. A. Elsyed. “Peritonitis Secondary to Non-Traumatic Small and Large Bowel Perforation”. International Surgery Journal, vol. 6, no. 9, Aug. 2019, pp. 3074-7, doi:10.18203/2349-2902.isj20194036.