Mondardini, A <br/><br/>
Non-variceal upper gastrointestinal bleeding and Forrest's classification: diagnostic agreement between endoscopists from the same area.  [electronic resource] 

 -  Endoscopy  Aug 1998 
 - 508-12 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0013-726X 
<br/><br/><label>Standard No.: </label>10.1055/s-2007-1001335  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Endoscopy, Gastrointestinal--statistics & numerical data<br/>Humans<br/>Italy--epidemiology<br/>Observer Variation<br/>Peptic Ulcer Hemorrhage--classification