No abstract available
MeSH terms
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Acute Disease
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Cluster Headache / drug therapy*
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Ergotamine / therapeutic use*
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Humans
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Oxygen / therapeutic use*
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Sumatriptan / therapeutic use
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Vasoconstrictor Agents / therapeutic use*
Substances
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Vasoconstrictor Agents
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Sumatriptan
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Ergotamine
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Oxygen