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Submitted on: 15 August 2017.
Revised on: 30 November 2017.
Accepted on: 18 December 2017.
___________________Clinical Endoscopy---KOREAN SOC GASTROINTESTINAL ENDOSCOPY
Submitted on: 24 July 2017.
Revised on: 01 November 2017.
Accepted on: 20 December 2017.
___________________Clinical Endoscopy---KOREAN SOC GASTROINTESTINAL ENDOSCOPY
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Submitted on: 16 July 2004.
Revised on: 12 September 2004.
Accepted on: 21 October 2004.
___________________Clinical Endoscopy---KOREAN SOC GASTROINTESTINAL ENDOSCOPY
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