1. 1. Addiss DG, Shaffer N, Fowler BS, Tauxe RV. The epidemiology of appendicitis and appendectomy in the United States. Am J Epidemiol. 1990; 132: 910-925. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/2239906
2. 2. Calder JD, Gajraj H. Recent advances in the diagnosis and treatment of acute appendicitis. Br J Hosp Med. 1995; 54: 129-133. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/7582361
3. 3. Catto JA. Acute Appendicitis, Tintinalli, Ruiz, Krome, Emergency Medicine, A Comprehensive Study Guide, 4th edition. Mc Graw Hill. 1996; 461-463.
4. 4. Domeier RM. Acute appendicitis. Foresight. 1996; 39: 1-5.
5. 5. Greenfield RH, Henneman PL. Disorders of the Small Intestine, Appendicitis: Rosen, Barkin, Emergency Medicine, Concepts and Clinical Practice. 4th edition. Mosby. 1998; 2005-2011.