No abstract available
MeSH terms
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Aged
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Cardiovascular Diseases / diagnosis
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Cardiovascular Diseases / ethnology*
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Electrocardiography / statistics & numerical data
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Female
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Geriatric Assessment / statistics & numerical data
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Humans
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Male
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Mass Screening / statistics & numerical data
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Massachusetts
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Minority Groups / statistics & numerical data*
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Physician's Role
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Quality of Health Care / economics*