Dr. M. Gowri, Dr. N. Mounika, Dr. Nikhil Kumar Das. Preoperative Prediction of Difficult Laparoscopic Cholecystectomy Using Clinical, Sonographic and Biochemical Parameters: A Retrospective Study. IJPRT [Internet]. 2026 Jul. 13 [cited 2026 Aug. 17];16(2):458-63. Available from: https://ijprt.org/index.php/pub/article/view/2317