No abstract available
MeSH terms
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Cost of Illness*
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Global Health*
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Headache Disorders / economics
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Headache Disorders / epidemiology*
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Headache Disorders / therapy*
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Health Policy / economics
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Health Policy / legislation & jurisprudence
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Health Policy / trends
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Humans
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International Cooperation / legislation & jurisprudence*
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Time Factors
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World Health Organization / economics
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World Health Organization / organization & administration*