Effect of a prepaid group practice on use of services.  [electronic resource] 

 -  The New England journal of medicine  Sep 1984 
 - 862-3 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0028-4793 
<br/><br/><label>Standard No.: </label>10.1056/NEJM198409273111324  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health Maintenance Organizations--economics<br/>Health Services--statistics & numerical data<br/>United States