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Figure 3 Bar graphs pertaining to the rate–pressure product (RPP) (mm Hg x beats/min; mean value ± SD) at 1-mm ST-segment depression and at peak exercise, during saline and heparin, with placebo and trimetazidine (TMZ). Solid bar = saline and placebo; striped bar = heparin and placebo; checkered bar = heparin and TMZ; open bar = saline and TMZ.