No abstract available
MeSH terms
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Adjuvants, Anesthesia
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Age Factors
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Aged, 80 and over
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Cholangiopancreatography, Endoscopic Retrograde* / adverse effects
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Digestive System Diseases / diagnostic imaging*
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Digestive System Diseases / therapy
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Female
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Humans
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Male
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Meperidine
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Midazolam
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Retrospective Studies
Substances
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Adjuvants, Anesthesia
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Meperidine
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Midazolam