QuickStats: Percentage* of All Emergency Department (ED) Visits  [electronic resource] 

 -  MMWR. Morbidity and mortality weekly report  Nov 2018 
 - 1303 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1545-861X 
<br/><br/><label>Standard No.: </label>10.15585/mmwr.mm6746a6  doi