Comparison Of Ultrasound Guided Bilateral Subcostal Transversusabdominis Plane Block And Port-Site Infiltration With Ropivacaine In Laproscopic Cholecystectomy. Int. J. Environ. Sci. [Internet]. 2025 Sep. 29 [cited 2025 Dec. 7];:2570-7. Available from: https://theaspd.com/index.php/ijes/article/view/10585