1. Use of the Internet and E-mail for Health Care Information
2. Pew Internet and American Life Project20102010-01-24 Demographics of Internet Users http://www.pewinternet.org/Static-Pages/Trend-Data/Whos-Online.aspx5n1sNYuPo
3. Pew Internet and American Life Project2008 Demographics of Internet users http://www.pewinternet.org/trends/User_Demo_2.15.08.htm5ZNxXua7r
4. Pew Internet and American Life Project2008Daily Internet activitieshttp://www.pewinternet.org/trends/Daily_Internet_Activities_2.15.08.htm5ZNyK6iFI
5. EFFECTS OF INTERNET USE AND SOCIAL RESOURCES ON CHANGES IN DEPRESSION