1. FoxSOnline Health Search 2006200910292014-07-12Washington, DCPew Internet & American Life Projecthttp://www.pewinternet.org/files/old-media/Files/Reports/2006/PIP_Online_Health_2006.pdf.pdf6R0OwsHEC
2. FoxSDugganMHealth Online201301152013-09-22Washington, DCPew Internet & American Life Projecthttp://www.pewinternet.org/2013/01/15/health-online-2013/6O18Dgbo0
3. Using the Internet for Health-Related Activities: Findings From a National Probability Sample
4. Use and perception of Internet for health related purposes in Germany: results of a national survey
5. Rural-Urban Differences in General and Health-Related Internet Use