(Q51571832)
Statements
Patient-controlled analgesia for conscious sedation during endoscopic retrograde cholangiopancreatography: a randomized controlled trial. (English)
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P S Jowell
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G Eisen
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J Onken
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B P Bute
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B Ginsberg
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1 May 1996
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43
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5
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490-494
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1 reference
1 reference