the blood pressure reduction produced by doxazosin was associated in the young with a significant increase in heart rate to 108 beats min-1 ( placebo , 82 beats min-1 ) but this increase was significantly attenuated in the elderly at 91 beats min-1 ( placebo , 77 beats min-1 ) .
C0020649
blood pressure reduction
C0114873
doxazosin