Pugh, Carys A <br/><br/>
Validity of Internet-based longitudinal study data: the elephant in the virtual room.  [electronic resource] 

 -  Journal of medical Internet research  Apr 2015 
 - e96 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1438-8871 
<br/><br/><label>Standard No.: </label>10.2196/jmir.3530  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Data Collection--standards<br/>Databases, Factual<br/>Dogs<br/>Female<br/>Humans<br/>Internet<br/>Longitudinal Studies<br/>Reproducibility of Results<br/>Research Design<br/>Surveys and Questionnaires--standards