Preoperative epidural fentanyl reduces postoperative pain after upper abdominal surgery
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1997 ◽
Vol 17
(6)
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pp. 370-377
2011 ◽
Vol 31
(5)
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pp. 827-834
1985 ◽
Vol 29
(6)
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pp. 342
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1979 ◽
Vol 40
(5)
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pp. 966-970
2016 ◽
Vol 54
(3)
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pp. 88-92
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1985 ◽
Vol 29
(6)
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pp. 566-571
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1982 ◽
Vol 26
(5)
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pp. 474-478
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