Drug tier coverage differs by plan type.  [electronic resource] 

 -  Managed care (Langhorne, Pa.)  Sep 2011 
 - 53 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1062-3388 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Formularies as Topic<br/>Insurance Coverage<br/>Insurance, Pharmaceutical Services<br/>Managed Care Programs--classification<br/>United States