K RR, N VK. A Comparative Study of Post-Operative Side Effects between Spinal Bupivacaine Plus Buprenorphine and Combined Femoral and Sciatic Nerve Block Used For Analgesia. AAN [Internet]. 2016Jun.15 [cited 2024May6];1(1):25-7. Available from: https://aijournals.com/index.php/aan/article/view/44