Volkovetskii, V. V., L. O. Pererva, M. V. Maksymenko, and N. V. Puzyr. “Difficult Choledocholithiasis. Literature Review”. General Surgery, no. 3 (October 8, 2024): 73–82. Accessed November 18, 2024. http://generalsurgery.com.ua/article/view/314715.