No abstract available
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Analgesia
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Animals
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Dose-Response Relationship, Drug
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Ketamine / antagonists & inhibitors
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Ketamine / pharmacology*
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Male
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Methysergide / pharmacology
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Morphine / antagonists & inhibitors
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Morphine / pharmacology
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Naloxone / pharmacology
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Norepinephrine / metabolism
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Phentolamine / pharmacology
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Rats
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Rats, Inbred Strains
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Serotonin / metabolism
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Spinal Cord / metabolism
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Time Factors
Substances
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Serotonin
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Naloxone
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Ketamine
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Morphine
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Norepinephrine
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Methysergide
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Phentolamine