No abstract available
MeSH terms
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Adult
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Cerebrovascular Disorders / epidemiology*
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Cerebrovascular Disorders / mortality
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Epidemiologic Methods / standards
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Female
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Humans
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International Cooperation
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Longitudinal Studies
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Male
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Middle Aged
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Myocardial Infarction / epidemiology*
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Myocardial Infarction / mortality
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Poland
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Population Surveillance
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Quality Control
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Surveys and Questionnaires