this study was carried out in 16 men with this form of hypertension and in 9 healthy men to compare 1 ) their pulmonary vascular reactivity to endogenous catecholamines released during mental arithmetic and cold pressor tests , and 2 ) the dose-response relation to exogenous epinephrine and norepinephrine .
C0007412
catecholamines
C0028351
norepinephrine