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Observational Study
©The Author(s) 2025.
World J Cardiol. Dec 26, 2025; 17(12): 112141
Published online Dec 26, 2025. doi: 10.4330/wjc.v17.i12.112141
Figure 1
Figure 1 Flow-chart of the enrolment of coronary heart disease patients with serial electrocardiogram evaluations. PCI: Percutaneous coronary intervention; CAD: Coronary heart disease.


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