No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adult
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Aged
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Data Collection / methods
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Data Collection / standards
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Data Collection / statistics & numerical data*
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Female
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Humans
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Male
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Middle Aged
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Recurrence
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Sex Factors
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Surveys and Questionnaires / standards*
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Time Factors
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Venous Thrombosis / epidemiology*