Hou, Jason K <br/><br/>
Accuracy of diagnostic codes for identifying patients with ulcerative colitis and Crohn's disease in the Veterans Affairs Health Care System.  [electronic resource] 

 -  Digestive diseases and sciences  Oct 2014 
 - 2406-10 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1573-2568 
<br/><br/><label>Standard No.: </label>10.1007/s10620-014-3174-7  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algorithms<br/>Cohort Studies<br/>Colitis, Ulcerative--classification<br/>Crohn Disease--classification<br/>Female<br/>Humans<br/>International Classification of Diseases--standards<br/>Male<br/>Middle Aged<br/>Predictive Value of Tests<br/>Reproducibility of Results<br/>Retrospective Studies<br/>Sensitivity and Specificity<br/>United States<br/>United States Department of Veterans Affairs