No abstract available
MeSH terms
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Angina, Unstable / diagnosis
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Arrhythmias, Cardiac / diagnosis
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Coronary Stenosis / diagnosis*
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Coronary Stenosis / mortality
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Electrocardiography / instrumentation*
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Electrocardiography / standards
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Electrodes / standards*
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Humans
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Pulmonary Embolism / diagnosis
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Reproducibility of Results
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Research Design
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Retrospective Studies
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Sensitivity and Specificity