No abstract available
Keywords:
cardiovascular diseases; ecological and environmental phenomena; epidemiology; mortality.
Publication types
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Letter
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Cardiovascular Diseases* / epidemiology
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Cardiovascular Diseases* / mortality
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Female
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Humans
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Longitudinal Studies
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Male
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Middle Aged
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Parks, Recreational
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United States / epidemiology