1 the effect of a beta-adrenoceptor blocker without intrinsic sympathomimetic activity ( propranolol ) and a beta-adrenoceptor blocker with isa ( pindolol ) on circadian heart rate was studied in 10 patients ( 3 women and 7 men ) with an average age of 55 years and the following diagnoses : coronary heart disease ( n = 7 ) and hypertension ( n = 3 ) .
C0001643
beta-adrenoceptor
C0034783
adrenoceptor