No abstract available
MeSH terms
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Administration, Oral
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Analgesia
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Animals
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Brain / physiology
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Burns
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Drug Tolerance
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Humans
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Injections
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Legislation, Drug
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Morphine / administration & dosage
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Morphine / therapeutic use*
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Neoplasms
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Pain Measurement
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Pain, Intractable / drug therapy*
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Rats
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Spinal Cord / physiology
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Substance-Related Disorders* / genetics
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Surgical Procedures, Operative