to further define central and peripheral sympathetic nerve activity in the one-kidney and two-kidney , one-clip models of renovascular hypertension , plasma catecholamines and regional brain norepinephrine of these models were compared with the activities of their brain biosynthetic enzymes : tyrosine hydroxylase ( tyh ) and dopamine-beta-hydroxylase ( dbh ) .
C0007412
catecholamines
C0028351
norepinephrine