Carbon dioxide insufflation does not reduce pain scores during colonoscope insertion in unsedated patients: a randomized, controlled trial
2013 ◽
Vol 77
(1)
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pp. 79-89
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2018 ◽
Vol 6
(7)
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pp. 1089-1098
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2003 ◽
Vol 46
(3)
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pp. 322-326
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