Mohit Gupta, Rana Pratap, and Gajendra Pal Singh. “Efficacy and Duration of Analgesia With Levobupivacaine Combined With Fentanyl or Dexmedetomidine in Lower Extremity Surgery: A Meta-Analysis”. Asian Journal of Medical Sciences 16, no. 3 (March 1, 2025): 15–23. Accessed March 9, 2025. https://nepjol.info./index.php/AJMS/article/view/75362.