Jeelani, S., A. Aziz, I. A. Kumar, W. A. Dar, and F. Nowreen. “Apache II Score in Predicting Surgical Outcome in Patients of Secondary Peritonitis: A Prospective and Observational Study”. International Journal of Research in Medical Sciences, vol. 8, no. 4, Mar. 2020, pp. 1505-8, doi:10.18203/2320-6012.ijrms20201350.