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2. Fox, S. 2007.Health Information Online.Washington, DC: Pew Internet & American Life Project, 2005. Available:http://www.pewinternet.org/pdfs/PIP_Healthtopics_May05.pdf. Accessed: February 20
3. Madden, M. and Fox, S. 2007.Finding Answers Online in Sickness and in Health.Washington, DC: Pew Internet & American Life Project, 2006. Available:http://www.pewinternet.org/pdfs/PIP_Health_Decisions_2006.pdf. Accessed: February 20
4. Patients using the Internet to obtain health information: How this affects the patient–health professional relationship
5. The Effect of Top-Level Domains and Advertisements on Health Web Site Credibility