1. Alptekin H, Yilmaz H, Kayis SA, Sahin M. Volume of excised specimen and prediction of surgical site infection in pilonidal sinus procedures (surgical site infection after pilonidal sinus surgery). Surg Today. 2013;43:1365–70.
2. American Medical Association. Current procedural terminology: CPT ®. Professional ed. Chicago: American Medical Association. 2013. http://www.ama-assn.org/ama/pub/physician-resources/solutions-managing-your-practice/coding-billinginsurance/cpt.page.
3. Ahlenstiel G, Hourigan LF, Brown G, Zanati S, Williams SJ, Singh R, Moss A, Sonson R, Bourke MJ, Australian Colonic Endoscopic Mucosal Resection (ACE) Study Group. Actual endoscopic versus predicted surgical mortality for treatment of advanced mucosal neoplasia of the colon. Gastrointest Endosc. 2014;80(4):668–76. https://doi.org/10.1016/j.gie.2014.04.015. Epub 2014 Jun 7.
4. Arezzo A, Passera R, Lo Secco G, Verra M, Bonino MA, Targarona E, Morino M. Stent as bridge to surgery for left-sided malignant colonic obstruction reduces adverse events and stoma rate compared with emergency surgery: results of a systematic review and meta-analysis of randomized controlled trials. Gastrointest Endosc. 2017. pii: S0016–5107(17)31780–7.
5. Dik VK, et al. Multicenter, randomized, tandem evaluation of EndoRings colonoscopy--results of the CLEVER study. Endoscopy. 2015;47(12):1151–8.