Kahn, K L <br/><br/>
The effect of comorbidity on appropriateness ratings for two gastrointestinal procedures.  [electronic resource] 

 -  Journal of clinical epidemiology  1988 
 - 115-22 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0895-4356 
<br/><br/><label>Standard No.: </label>10.1016/0895-4356(88)90085-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Cholecystectomy<br/>Delphi Technique<br/>Female<br/>Gastrointestinal Diseases--complications<br/>Gastroscopy<br/>Humans<br/>Male<br/>Risk Factors