in our model , methionine-enkephalin ( met5-enk ) ( 35 micrograms/kg intravenously ) increased hr and map , but following induction of general anesthesia with barbiturate ( pentobarbital ) or of sedation with benzodiazepine ( diazepam ) , met5-enk produced vasodepressor responses despite differing levels of consciousness in the treated animals .
C0004745
barbiturate
C0030883
pentobarbital