Gastrointestinal Endoscopy
Gastrointestinal Endoscopy > 2005 > 61 > 1 > 126-132
Gastrointestinal Endoscopy > 2005 > 61 > 1 > 32-36
Gastrointestinal Endoscopy > 2005 > 61 > 1 > 140-147
Gastrointestinal Endoscopy > 2005 > 61 > 1 > 148-152
Gastrointestinal Endoscopy > 2005 > 61 > 1 > 37-45