the chronotropic dose 25 of isoproterenol ( cd 25 ) , plasma concentrations of catecholamines , triiodothyronine and thyroxin , plasma renin activity and aldosterone , hemoglobin , hematocrit and oxyhemoglobin dissociation were measured on the last day of bopindolol administration and 1 , 2 , 3 , 6 , and 13 days after abrupt replacement by placebo tablets .
C0022245
isoproterenol
C0007412
catecholamines