a high performance liquid chromatographic method involving electrochemical detection is described which permits the assay of noradrenaline ( na ) , adrenaline ( a ) , dopamine ( da ) , and dihydroxyphenylethyleneglycol ( dopeg ) in human plasma and brings about analytical recoveries of 70 % and more .
C0028351
noradrenaline
C0014563
adrenaline