1.  Data on file at Ethicon Endo-Surgery, Inc.

2.  Guller U, Hervey S, Purves H, et al. Laparoscopic versus open appendectomy, outcomes Comparison based on a large administrative database. Ann Surg 2004 January; 1(329):43-52.

3.  KidsHealth. “Information for Teens: Appendicitis.” [Online] 27 October 2004. http://www.kidshealth.org/PageManager.jsp? dn=familydoctor&lic=44&article_set=20984

4.  American College of Surgeons. “Looking for a Qualified Surgeon.” [Online] 27 October 2004. http://www.facs.org/public_info/yourhealth/findadoc.html

5.  National Digestive Diseases Information Clearinghouse (NDDIC). “Appendicitis.” [Online] 27 October 2004. http://digestive.niddk.nih.gov/diseases/pubs/appendicitis/