No abstract available
MeSH terms
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Age Factors
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Angina Pectoris / diagnosis
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Body Weight
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Coronary Disease / diagnosis
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Electrocardiography
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Exercise Test* / history
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Exercise Test* / standards
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Female
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History, 20th Century
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Humans
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Male
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Middle Aged
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Mitral Valve Stenosis / diagnosis
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Myocardial Infarction / diagnosis
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Myocarditis / diagnosis
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Nitroglycerin / therapeutic use
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Sex Factors
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Syphilis, Cardiovascular / complications