No abstract available
Publication types
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Comment
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Letter
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Published Erratum
MeSH terms
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Administration, Cutaneous
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Administration, Oral
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Fentanyl / administration & dosage*
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Humans
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Morphine / administration & dosage*
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Narcotics / administration & dosage*
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Therapeutic Equivalency
Substances
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Narcotics
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Morphine
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Fentanyl