Jung, Kee Wook <br/><br/>
The necessity of validated questionnaires: determining accurate responses to proton pump inhibitor use.  [electronic resource] 

 -  Journal of neurogastroenterology and motility  Jan 2012 
 - 113 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>2093-0887 
<br/><br/><label>Standard No.: </label>10.5056/jnm.2012.18.1.113  doi