Shaik, R., Latha, S., Rama Rao, M. and Paleti, S. (2024) “Efficacy of 0.5% levobupivacaine with clonidine 30 μg versus 0.5% levobupivacaine with 150 μg buprenorphine for USG guided interscalene brachial plexus block for shoulder, upper and middle humerus surgeries: a prospective randomized double blinded comparative study”, International Journal of Research in Medical Sciences, 12(5), pp. 1542–1548. doi: 10.18203/2320-6012.ijrms20241239.