Gastrointestinal Endoscopy
Gastrointestinal Endoscopy > 2006 > 63 > 6 > 840-845
Gastrointestinal Endoscopy > 2006 > 63 > 6 > 761-766
Gastrointestinal Endoscopy > 2006 > 63 > 6 > 824-828
Gastrointestinal Endoscopy > 2006 > 63 > 6 > 797-803
Gastrointestinal Endoscopy > 2006 > 63 > 6 > 853-857