there were also correlations of the response ( percent reduction in heart rate ) to oral and intravenous timolol at 2 hr ( r = 0.72 , p less than 0.05 ) and 6 hr ( r = 0.84 , p less than 0.01 ) hr , but none between responses to oral and intravenous propranolol .
C0428977
reduction
C0040233
timolol