?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Lampos%2C+V&rft.aufirst=V&rft.aulast=Lampos&rft.date=2+July+2015&rft.atitle=Assessing+the+impact+of+a+health+intervention+via+user-generated+Internet+content&rft.volume=29&rft.issn=1384-5810&rft.pages=1434-1457&rft.title=Data+Mining+and+Knowledge+Discovery&rft.issue=5&rft.genre=article