Gastrointestinal Endoscopy
Gastrointestinal Endoscopy > 2005 > 62 > 2 > 245-250
Gastrointestinal Endoscopy > 2005 > 62 > 2 > 297-301
Gastrointestinal Endoscopy > 2005 > 62 > 2 > 213-218
Gastrointestinal Endoscopy > 2005 > 62 > 2 > 224-227
Gastrointestinal Endoscopy > 2005 > 62 > 2 > 219-223