Gastrointestinal Endoscopy
Gastrointestinal Endoscopy > 2007 > 65 > 6 > 923-929
Gastrointestinal Endoscopy > 2007 > 65 > 6 > 866-870
Gastrointestinal Endoscopy > 2007 > 65 > 6 > 757-766
Gastrointestinal Endoscopy > 2007 > 65 > 6 > 819-828
Gastrointestinal Endoscopy > 2007 > 65 > 6 > 898-905