SHARMA, U.; THAKUR, K. S.; GOYAL, P.; CHOUDHARY, B. To Compare Isobaric 0.5% Levobupivacaine With Isobaric 0.5% Ropivacaine In Brachial Plexus Block For Elective Upper Limb Surgery. Academia Anesthesiologica International, v. 5, n. 1, p. 171-173, 6 Jul. 2020.