No abstract available
MeSH terms
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Animals
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Arrhythmias, Cardiac
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Bradycardia
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Cerebral Aqueduct
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Cerebral Ventricles
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Fever
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Humans
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Injections, Spinal
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Medulla Oblongata / drug effects
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Morphine / pharmacology
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Morphine Dependence*
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Nalorphine / administration & dosage
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Pons / drug effects
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Rabbits
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Seizures
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Substance Withdrawal Syndrome* / etiology