for this purpose changes in forearm blood flow induced by infusion of the selective alpha 1-adrenoceptor agonist methoxamine , the selective alpha 2-adrenoceptor agonist b-ht 933 , the catecholamines adrenaline and noradrenaline and the alpha 2-adrenoceptor antagonist yohimbine were measured in both study groups .
C0007412
catecholamines
C0028351
noradrenaline