Comparison of Scoring Systems (Boey’s, Mannheim Peritonitis Index (MPI), Acute Physisiology and Chronic Health Evaluation Ll (APACHE II) And APACHE III) in Predicting Mortality in Patients of Secondary Peritonitis Journal title: Scholars Journal of Applied Medical Sciences Authors: JS Bajwa, R Kaushik ., AK Attri, S Gupta, M Jayant . Subject(s):