excretion of noradrenaline ( na ) , adrenaline ( a ) , dopamine ( da ) and their metabolites vanillylmandelic acid ( vma ) , methoxycatecholamines ( mna + ma ) as well as 3-methoxy-4-hydroxy-phenylglycol ( mhpg ) was studied in 95 patients with essential hypertension and in 25 normal subjects on normal and low sodium diets .
C0028351
noradrenaline
C0014563
adrenaline