1. David MM, Seth BK, Sabiston Text Book of Surgery. 20th ed. Philadelphia: Elsevier Saunders; 2016. p. 1197-211.
2. Perforated peptic ulcer in South India: An institutional perspective;Arveen;World J Surg,2009
3. Immediate results of omentopexy in perforated duodenal ulcer: A study of 186 cases;Gujar;Al Ameen J Med Sci,2012
4. Preoperative predictors of mortality in adult patients with perforation peritonitis;Singh;Indian J Crit Care Med,2011
5. Accuracy of clinical prediction rules in peptic ulcer perforation: An observational study;Buck;Scand J Gastroenterol,2012