García-Azorin, D <br/><br/>
Correction to: A PRISMA-compliant systematic review of the endpoints employed to evaluate symptomatic treatments for primary headaches.  [electronic resource] 

 -  The journal of headache and pain  Feb 2019 
 - 14 p.  digital 
<br/><br/> Publication Type: Published Erratum 
<br/><br/><label>ISSN: </label>1129-2377 
<br/><br/><label>Standard No.: </label>10.1186/s10194-019-0967-2  doi