Barr, D A <br/><br/>
Do health care premiums affect patient enrollment?  [electronic resource] 

 -  JAMA   
 - 902-3 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0098-7484 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health Maintenance Organizations--economics