M. M. Salem, M. E. Esmat, A. M. A. Hassan, Y. Amer, H. Abdelaziz, and M. Rady, “Comparative study between laparoscopic common bile duct exploration and endoscopic retrograde cholangiopancreatography plus laparoscopic cholecystectomy for choledocholithiasis”, Int Surg J, vol. 6, no. 7, pp. 2250–2257, Jun. 2019.