Gupta, P., Kumar, S. and Keshari, A. K. (2021) “Assessment of preoperative factors for challenging laparoscopic cholecystectomy”, International Journal of Health and Clinical Research, 4(8), pp. 189–191. Available at: https://ijhcr.com/index.php/ijhcr/article/view/1444 (Accessed: 19April2024).