Single-incision laparoscopic cholecystectomy with curved versus linear instruments assessed by systematic review and network meta-analysis of randomized trials.
Antoniou SA, Morales-Conde S, Antoniou GA, Pointner R, Granderath FA.
Surg Endosc. 2016 Mar;30(3):819-31. doi: 10.1007/s00464-015-4283-x. Epub 2015 Jun 23.