Comparison of 0.25% Levobupivacaine, 0.25% Bupivacaine, and 0.125% Bupivacaine for Duration and Magnitude of Action in Peripheral Arterial Blood Flow Induced by Sympathetic Block in Dogs

0.25% Levobupivacaine may have a lower potency compared with 0.25% bupivacaine in sympathetic block in dogs.