Table 1. Effect of TEA (1 and 3 mM) on Halothane-(0.29 mM and 0.43 mM Equivalent to 0.98% and 1.5%, Respectively, at 37 degrees Celsius) and Isoflurane (0.21 mM and 0.43 mM Equivalent to 1.1% and 2.1%, Respectively at 37 degrees Celsius)-Induced Vasodilation in Dog Cerebral Arterial Vessels