American Society for Gastrointestinal Endoscopy, Asge <br/><br/>
Gastrointestinal endoscopy 

 - irregular 
 - 2004-2007 
<br/><br/><label>ISSN: </label>0016-5107 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Endoscopia Gastrointestinal