No abstract available
MeSH terms
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Adolescent
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Age Factors
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Analgesics, Opioid / therapeutic use*
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Child
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Child, Preschool
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Codeine / therapeutic use*
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Drug and Narcotic Control* / legislation & jurisprudence
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Humans
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Infant
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Infant, Newborn
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Pain Management* / methods
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Pain, Postoperative / drug therapy*
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United Kingdom
Substances
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Analgesics, Opioid
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Codeine