to investigate the impairment of beta-adrenoceptor responsiveness in human hypertension , we evaluated the effect of an oral salt load ( 400 meq/day of nacl for 7 days ) on plasma catecholamine concentrations and beta-adrenoceptor-mediated effects in 11 young patients with mild essential hypertension .
C0020538
hypertension
C0001643
beta-adrenoceptor