1. FoxSOnline health search 2006200610292012-01-26Washington, DCPew Internet & American Life Projecthttp://www.pewinternet.org/~/media//Files/Reports/2006/PIP_Online_Health_2006.pdf.pdf64zCRIRq5
2. eHealth Trends in Europe 2005-2007: A Population-Based Survey
3. Users of the world, unite! The challenges and opportunities of Social Media
4. FoxSJonesSThe social life of health information200906112010-12-07Washington, DCPew Internet & American Life Projecthttp://www.pewinternet.org/~/media//Files/Reports/2009/PIP_Health_2009.pdf5uno4xyeW