No abstract available
MeSH terms
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Aged
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Dihydroergotamine / administration & dosage*
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Drug Therapy, Combination
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Female
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Heparin / administration & dosage*
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Heparin / adverse effects
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Humans
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Male
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Middle Aged
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Postoperative Complications / prevention & control
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Thromboembolism / prevention & control*
Substances
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Dihydroergotamine
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Heparin