Gastrointestinal Endoscopy
Gastrointestinal Endoscopy > 2007 > 66 > 3 Supplement > S19-S21
Gastrointestinal Endoscopy > 2007 > 66 > 3 Supplement > S51-S53
Gastrointestinal Endoscopy > 2007 > 66 > 3 Supplement > S108-S112
Gastrointestinal Endoscopy > 2007 > 66 > 3 Supplement > S72-S77