Gastrointestinal Endoscopy
Gastrointestinal Endoscopy > 2015 > 81 > 1 > 136-142
Gastrointestinal Endoscopy > 2015 > 81 > 1 > 150-155
Gastrointestinal Endoscopy > 2015 > 81 > 1 > 119-126
Gastrointestinal Endoscopy > 2015 > 81 > 1 > 159-167.e2