Gastrointestinal Endoscopy
Gastrointestinal Endoscopy > 2005 > 61 > 2 > 255-261
Gastrointestinal Endoscopy > 2005 > 61 > 2 > 219-225
Gastrointestinal Endoscopy > 2005 > 61 > 2 > 195-200
Gastrointestinal Endoscopy > 2005 > 61 > 2 > 255-261
Gastrointestinal Endoscopy > 2005 > 61 > 2 > 219-225
Gastrointestinal Endoscopy > 2005 > 61 > 2 > 195-200