No abstract available
MeSH terms
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Aged*
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Angina Pectoris / diagnosis
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Blood Pressure Determination*
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Cardiovascular System / physiopathology*
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Dyspnea / diagnosis
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Edema / diagnosis
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Electrocardiography*
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Humans
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Hypertension / diagnosis
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London
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Primary Health Care / standards
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Surveys and Questionnaires