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Figure 1 Original recording of the left coronary artery at baseline (left), during exercise with 75 W (middle), and after 1.6 mg of sublingual nitroglycerin (right). The proximal (prox) and the distal segment adjacent to the sirolimus-eluting stent show vasoconstriction by 8% and 14%, respectively, during exercise. After sublingual nitroglycerin, the proximal and distal segment dilate by 26% and 28%, respectively.
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