a standardized ergometric test , suitable for recognizing abnormally high exercise blood pressures as well as the influence of hypotensive drugs on blood pressure , was employed in 13 of 28 hypertensives being treated with a combination of beta-receptor blockers ( oxprenolol , 80 mg ) , a diuretic ( chlortalidone , 10 mg ) , and a vasodilator ( hydralazine , 25 mg ) .
C0020538
high
C0008294
chlortalidone