No abstract available
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Chronic Disease
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Humans
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Injections, Intraventricular
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Middle Aged
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Morphine / administration & dosage
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Morphine / adverse effects
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Morphine / therapeutic use*
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Neoplasms / complications*
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Pain / drug therapy*
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Pain / etiology