in this study we measured plasma renin activity ( pra ) , plasma norepinephrine ( ne ) and epinephrine ( e ) , heart rate ( hr ) and blood pressure ( bp ) in 89 supine ( sup ) essential hypertensive patients ( pts ) , who i-ii , after 3-5 days of fixed normal sodium and potassium intake ;
C0028351
norepinephrine
C0014563
epinephrine