Lopushinsky, S R <br/><br/>
Accuracy of administrative health data for the diagnosis of upper gastrointestinal diseases.  [electronic resource] 

 -  Surgical endoscopy  Oct 2007 
 - 1733-7 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1432-2218 
<br/><br/><label>Standard No.: </label>10.1007/s00464-006-9136-1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Cross-Sectional Studies<br/>Databases, Factual<br/>Duodenal Ulcer--diagnosis<br/>Endoscopy, Gastrointestinal<br/>Esophageal Diseases--diagnosis<br/>Female<br/>Humans<br/>Male<br/>Medical Records--standards<br/>Reproducibility of Results<br/>Stomach Diseases--diagnosis