No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Anticoagulants / therapeutic use
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Heparin / therapeutic use
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Humans
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Venous Thromboembolism / diagnosis
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Venous Thromboembolism / drug therapy
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Venous Thromboembolism / prevention & control*
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Venous Thromboembolism / surgery