No abstract available
MeSH terms
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Ambulatory Care / trends*
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Analgesics, Non-Narcotic / therapeutic use*
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Analgesics, Opioid / therapeutic use*
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Diagnostic Imaging / trends*
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Female
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Headache / diagnosis*
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Headache / drug therapy*
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Humans
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Male
Substances
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Analgesics, Non-Narcotic
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Analgesics, Opioid