Bushnell, D M <br/><br/>
Impacts of Lower Back Pain: Refinement of the Pain Assessment for Lower Back-Impacts Questionnaire (Pal-I) Using a Mixed Methods Approach.  [electronic resource] 

 -  Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research  Nov 2014 
 - A536 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1524-4733 
<br/><br/><label>Standard No.: </label>10.1016/j.jval.2014.08.1713  doi