No abstract available
MeSH terms
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Anticoagulants / therapeutic use
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History, 20th Century
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Humans
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Phlebography / history*
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Phlebography / methods
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Pulmonary Embolism / drug therapy
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Pulmonary Embolism / prevention & control*
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Venous Thrombosis / drug therapy
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Venous Thrombosis / prevention & control