DOI:
10.1055/s-00035026
Applied Clinical Informatics
LinksClose Window
References
Brenner J, Smith A.
72% of online adults are social networking site users. Pew Internet Research Center.
http://www.pewinternet.org/2013/08/05/72-of-online-adults-are-social-networking-site-users Accessed April 10, 2014.
We do not assume any responsibility for the contents of the web pages of other providers.