Hoda W, Kumar A, Roychoudhury P. Isobaric levobupivacaine a better and safer substitute for spinal anaesthesia in patients undergoing prolonged lower abdominal and lower limb surgeries. Int J Res Med Sci [Internet]. 2018 Aug. 25 [cited 2025 Oct. 14];6(9):3111-5. Available from: https://www.msjonline.org/index.php/ijrms/article/view/5259