1. Fox S Online health search 2006: most internet users start at a search engine when looking for health information online, very few check the source and date of the information they find: Pew Internet & American Life Project http://www.pewinternet.org/∼/media/Files/Reports/2006/PIP_Online_Health_2006.pdf.pdf 2006
2. The doctor, the patient and the world-wide web: how the internet is changing healthcare;Powell;J R Soc Med,2003
3. Using the internet for health-related activities: findings from a national probability sample;Atkinson;J Med Internet Res,2009
4. Poll H Cyberchondriacs” on the rise Those who go online for healthcare information continues to increase http://www.harrisinteractive.com/vault/HI-Harris-Poll-Cyberchondriacs-2010-08-04.pdf 2010
5. The internet as a health information source: findings from the 2007 Health Information National Trends Survey and implications for health communication;Koch-Weser;J Health Commun,2010