hypertension was induced in conscious rats by intravenous infusion of phenylephrine ( 3 , 6 or 12 micrograms kg-1 min-1 ) , noradrenaline ( 3 micrograms min-1 ) or adrenaline ( 3 micrograms kg-1 min-1 ) .
C0020538
hypertension
C0031469
phenylephrine