No abstract available
MeSH terms
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Adult
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Analgesics / therapeutic use*
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Codeine / analogs & derivatives*
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Diazepam / therapeutic use*
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Fiber Optic Technology / instrumentation
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Humans
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Oxycodone / therapeutic use*
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Premedication*
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Random Allocation
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Sigmoidoscopy*
Substances
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Analgesics
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Oxycodone
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Diazepam
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Codeine