No abstract available
Keywords:
Appropriateness; Outpatients; Transthoracic echocardiography.
Publication types
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Comparative Study
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Letter
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Observational Study
MeSH terms
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Aged
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Ambulatory Care
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Delivery of Health Care
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Echocardiography / standards*
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Echocardiography / statistics & numerical data*
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Female
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Humans
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Italy
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Male
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Middle Aged
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Prospective Studies
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Regional Health Planning*
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Societies, Medical
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United Kingdom
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United States