ULTRASOUND GUIDED PERIPHERAL NERVE BLOCK AS ALTERNATIVE TO SUBARACHNOID BLOCK IN TOTAL HIP REPLACEMENT ARTHROPLASTY: A RETROSPECTIVE STUDY. JCMC [Internet]. 2019 Dec. 27 [cited 2024 May 20];9(4):43-6. Available from: https://jcmc.com.np/jcmc/index.php/jcmc/article/view/79