No abstract available
MeSH terms
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Analgesics, Opioid / adverse effects*
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Analgesics, Opioid / metabolism
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Codeine / adverse effects
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Codeine / metabolism
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Cytochrome P-450 CYP2D6 / metabolism
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Humans
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Respiratory Insufficiency / chemically induced
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Respiratory Insufficiency / mortality
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Tramadol / adverse effects*
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Tramadol / metabolism
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United States
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United States Food and Drug Administration
Substances
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Analgesics, Opioid
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Tramadol
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Cytochrome P-450 CYP2D6
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Codeine