Rohrer, James E <br/><br/>
Ten Important Elements for Observational Studies in Primary Care and Community Health.  [electronic resource] 

 -  Journal of primary care & community health  Jul 2014 
 - 158-9 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>2150-1319 
<br/><br/><label>Standard No.: </label>10.1177/2150131914538562  doi