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Transoral versus transnasal esophagogastroduodenoscopy

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  1. 1

    Rimmer KP et al. (1989) Mechanisms of hypoxemia during panendoscopy. J Clin Gastroenterol 11: 17–22

    CAS  Article  Google Scholar 

  2. 2

    Rozen P et al. (1982) The causes of hypoxemia in elderly patients during endoscopy. Gastrointest Endosc 28: 243–246

    CAS  Article  Google Scholar 

  3. 3

    Dumortier J et al. (2003) Unsedated transnasal EGD in daily practice: results with 1100 consecutive patients. Gastrointest Endosc 57: 198–204

    Article  Google Scholar 

  4. 4

    Thota PN et al. (2005) A randomized prospective trial comparing unsedated esophagoscopy via transnasal and transoral routes using a 4-m video endoscope with conventional endoscopy with sedation. Endoscopy 37: 559–565

    CAS  Article  Google Scholar 

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The synopsis was written by Rachel Jones, Associate Editor, Nature Clinical Practice.

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Correspondence to Tetsuya Nakamura.

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The author declares no competing financial interests.

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Nakamura, T. Transoral versus transnasal esophagogastroduodenoscopy. Nat Rev Gastroenterol Hepatol 3, 376–377 (2006).

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