No abstract available
MeSH terms
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Age Factors
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Aged
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Anticoagulants / therapeutic use
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Dalteparin / therapeutic use*
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Heparin, Low-Molecular-Weight / therapeutic use
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Humans
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Risk
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Thromboembolism / prevention & control*
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Venous Thrombosis / prevention & control*
Substances
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Anticoagulants
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Heparin, Low-Molecular-Weight
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Dalteparin