1. Keus F, De Jong JAF, Gooszen HG, Van Laarhoven CJHM. Laparoscopic cholecystectomy versus open cholecystectomy for patients with symptomatic cholecystolithiasis. Cochrane Database Syst Rev. 2006;(4):CD006231 DOI: 10.1002/14651858 CD006231
2. Humes DJ, Ahmed I, Lobo DN. The pedicle effect and direct coupling: delayed thermal injuries to the bile duct after laparoscopic cholecystectomy. Arch Surg. 2010;145:96–98.
3. Ho AC, Horton KM, Fishman EK. Perforation of the small bowel as a complication of laparoscopic cholecyste-ctomy: CT findings. Clin Imaging. 2000;24:204–206.
4. Sietses C, Eijsbouts QAJ, von Blomberg BM, Cuesta MA. Ultrasonic energy vs monopolar electrosurgery in laparoscopic cholecystectomy: influence on the postoperative systemic immune response. Surg Endosc. 2001;15:69–71.
5. Sankaranarayanan G, Resapu RR, Jones DB, et al. Common uses and cited complications of energy in surgery. Surg Endosc. 2013;27:3056–72.
6. Sasi W. Dissection by ultrasonic energy versus monopolar electrosurgical energy in laparoscopic cholecystectomy. JSLS. 2010;14:23–34.
7. Minutolo V, Gagliano G, Rinzivillo C, Li Destri G, Carnazza M, Minutolo O. Usefulness of the ultrasonically activated scalpel in laparoscopic cholecystectomy: our experience and review of literature. G Chir. 2008;29:242–245.
8. Lyons SD, Law KS. Laparoscopic vessel sealing technologies. J Minimally Invasive Gynecol. 2013;20:301–7.
9. Person B, Vivas DA, Ruiz D, et al. Comparison of four energy-based vascular sealing and cutting instruments: a porcine model. Surg Endosc. 2008;22:534–8.
10. Tebala GD. Three-port laparoscopic cholecystectomy by harmonic dissection without cystic duct and artery clipping. Am J Surg. 2006;191:718–720.
11. Papadima A, Lagoudianakis EE, Anto-nakis P, et al. Repeated intraperitoneal instillation of levobupivacaine for the management of pain after laparoscopic cholecystectomy. Surgery. 2009;146:475–482.
12. Gelmini R, Franzoni C, Zona S, Andreotti A, Saviano M. Laparoscopic cholecyst-ectomy with Harmonic scalpel. JSLS. 2010;14:14–19.
13. Zanghì A, Cavallaro A, Di Mattia P, et al. Laparoscopic cholecystectomy: ultrasonic energy versus monopolar electrosurgical energy. Eur Rev Med Pharmacol Sci. 2014;18(2 Suppl):54–59.
14. Kandil T, El Nakeeb A, El Hefnawy E. Comparative study between clipless laparoscopic cholecystectomy by harmonic scalpel versus conventional method: a prospective randomized study. J Gastrointest Surg. 2010;14:323–328.
15. El Nakeeb A, Askar W, El Lithy R, Farid M. Clipless laparoscopic cholecystectomy using the Harmonic scalpel for cirrhotic patients: a prospective randomized study. Surg Endosc. 2010;24:2536–2541.
16. Bessa SS, Abdel-Razek AH, Sharaan MA, Bassiouni AE, El-Khishen MA, El-Kayal el-SA.Laparoscopic cholecystectomy in cirrhotics: a prospective randomized study comparing the conventional diathermy and the harmonic scalpel for gallbladder dissection. J Laparoendosc Adv Surg Tech A. 2011;21:1–5.
17. Catena F, Di Saverio S, Ansaloni L, et al. The HAC trial (harmonic for acute cholecystitis): a randomized, double-blind, controlled trial comparing the use of harmonic scalpel to monopolar diathermy for laparoscopic cholecystectomy in cases of acute cholecystitis. World J Emerg Surg. 2014;9:53.
18. Kama NA, Doganay M, Dolapci M, Reis E, Atli M, Kologlu M. Risk factors resulting in conversion of laparoscopic cholecystectomy to open surgery. Surg Endosc. 2001;15:965–968.
19. Tebala GD. Three port laparoscopic cholecystectomy by harmonic dissection without cystic duct and artery clipping. Am J Surg. 2006;191:718–720.