1. Masoomi H, Nguyen NT, Dolich MO, Mills S, Carmichael JC, Stamos MJ. Laparoscopic appendectomy trends and outcomes in the United States: data from the Nationwide Inpatient Sample (NIS), 2004-2011. Am Surg. 2014; 80:1074–1077.
2. Eypasch E, Sauerland S, Lefering R, Neugebauer EA. Laparoscopic versus open appendectomy: between evidence and common sense. Dig Surg. 2002; 19:518–522.
3. Pelosi MA, Pelosi MA 3rd. Laparoscopic appendectomy using a single umbilical puncture (minilaparoscopy). J Reprod Med. 1992; 37:588–594.
4. Carter JT, Kaplan JA, Nguyen JN, Lin MY, Rogers SJ, Harris HW. A prospective, randomized controlled trial of single-incision laparoscopic vs conventional 3-port laparoscopic appendectomy for treatment of acute appendicitis. J Am Coll Surg. 2014; 218:950–959.
5. Perez EA, Piper H, Burkhalter LS, Fischer AC. Single-incision laparoscopic surgery in children: a randomized control trial of acute appendicitis. Surg Endosc. 2013; 27:1367–1371.
6. Ohno Y, Morimura T, Hayashi S. Transumbilical laparoscopically assisted appendectomy in children: the results of a single-port, single-channel procedure. Surg Endosc. 2012; 26:523–527.
7. Bergholz R, Krebs TF, Klein I, Wenke K, Reinshagen K. Transumbilical laparoscopic-assisted versus 3-port laparoscopic and open appendectomy: a case-control study in children. Surg Laparosc Endosc Percutan Tech. 2014; 24:244–247.
8. Palanivelu C, Rajan PS, Rangarajan M, Parthasarathi R, Senthilnathan P, Prasad M. Transvaginal endoscopic appendectomy in humans: a unique approach to NOTES--world's first report. Surg Endosc. 2008; 22:1343–1347.
9. Bernhardt J, Steffen H, Schneider-Koriath S, Ludwig K. Clinical NOTES appendectomy study: comparison of transvaginal NOTES appendectomy in hybrid technique with laparoscopic appendectomy. Int J Colorectal Dis. 2015; 30:259–267.
10. Merchant AM, Cook MW, White BC, Davis SS, Sweeney JF, Lin E. Transumbilical Gelport access technique for performing single incision laparoscopic surgery (SILS). J Gastrointest Surg. 2009; 13:159–162.
11. Atallah S, Martin-Perez B, Keller D, Burke J, Hunter L. Natural-orifice transluminal endoscopic surgery. Br J Surg. 2015; 102:e73–e92.
12. Oltmann SC, Garcia NM, Ventura B, Mitchell I, Fischer AC. Single-incision laparoscopic surgery: feasibility for pediatric appendectomies. J Pediatr Surg. 2010; 45:1208–1212.
13. Visnjic S. Transumbilical laparoscopically assisted appendectomy in children: high-tech low-budget surgery. Surg Endosc. 2008; 22:1667–1671.
14. Deie K, Uchida H, Kawashima H, Tanaka Y, Masuko T, Takazawa S. Single-incision laparoscopic-assisted appendectomy in children: exteriorization of the appendix is a key component of a simple and cost-effective surgical technique. Pediatr Surg Int. 2013; 29:1187–1191.
15. Kehlet H, Wilmore DW. Evidence-based surgical care and the evolution of fast-track surgery. Ann Surg. 2008; 248:189–198.