1. Beal JM. Historical perspective of gallstone disease. Surg Gynecol Obstet. 1984;158(2):181–9.
2. Karam J, Roslyn JR. Cholelithiasis and cholecystectomy. Maingot's Abdominal Operations. 12th edn. Prentice Hall International Inc; 1997. Vol 2. pp. 1717–38.
3. Mirizzi PL. Operative cholangiography. Lancet. 1938;2:366–9.
4. Saleh JW. Laparoscopy. Philadelphia; WB Saunders Co: 1988. pp. 7–8.
5. Peng C, Ling Y, Ma C, Ma X, Fan W, Niu W, Niu J. Safety Outcomes of NOTES Cholecystectomy Versus Laparoscopic Cholecystectomy: A Systematic Review and Meta‐Analysis. Surg Laparosc Endosc Percutan Tech. 2016 Oct;26(5):347–353.