Epis, Oscar Massimiliano <br/><br/>
Pixel or Paper? Validation of a Mobile Technology for Collecting Patient-Reported Outcomes in Rheumatoid Arthritis.  [electronic resource] 

 -  JMIR research protocols  Nov 2016 
 - e219 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1929-0748 
<br/><br/><label>Standard No.: </label>10.2196/resprot.5631  doi