Gastrointestinal Endoscopy
Gastrointestinal Endoscopy > 2018 > 88 > 2 > 378-387
Gastrointestinal Endoscopy > 2018 > 88 > 2 > 335-344.e2
Gastrointestinal Endoscopy > 2018 > 88 > 2 > 253-260
Gastrointestinal Endoscopy > 2018 > 88 > 2 > 277-282