No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Age Factors
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Breast Neoplasms / mortality*
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Coronary Disease / etiology*
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Coronary Disease / mortality*
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England / epidemiology
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Estrogens / physiology*
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Female
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Humans
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Japan / epidemiology
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Middle Aged
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Sex Factors
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Wales / epidemiology