No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Administration, Oral
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Drug Tolerance
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Humans
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Morphine / administration & dosage*
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Morphine / adverse effects
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Morphine Dependence
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Neoplasms / physiopathology*
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Pain, Intractable / drug therapy*
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Respiration / drug effects