A prospective randomized controlled multicenter trial of duodenoscopes with 5° and 15° backward-oblique angle using wire-guided cannulation: effects on selective cannulation of the common bile duct in endoscopic retrograde cholangiopancreatography
2009 ◽
Vol 44
(11)
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pp. 1140-1146
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2007 ◽
Vol 45
(4)
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pp. 438-442
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2019 ◽
Vol 23
(4)
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pp. 220-223
1999 ◽
Vol 18
(6)
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pp. 391-394
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2017 ◽
Vol 11
(2)
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pp. 428-433
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