DOI: 10.1055/s-00035026

Applied Clinical Informatics

Referenz

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.

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