1. Besinger B , Stehman C . Pancreatitis and Cholecystitis. In: Tintinalli JE , Stapczynski JS , OJ M , et al , eds. Tintinalli’s emergency medicine: a comprehensive study guide. 9th edn. New York: McGraw-Hill Education, 2019.
2. Russell D . Gallstone disease and the timing of cholecystectomy for acute cholecystitis and gallstone pancreatitis. In: Lim R , ed. Multidisciplinary Approaches to Common Surgical Problems [Internet]. Cham: Springer International Publishing, 2019: 151–9. http://link.springer.com/
3. Consequences of lost gallstones during laparoscopic cholecystectomy: a review article;Jabbari Nooghabi;Surg Laparosc Endosc Percutan Tech,2016
4. Pyogenic Liver Abscess: Recent Trends in Etiology and Mortality
5. Amebiasis