References
- Gavin , L. , MacKay , A. P. , Brown , K. , Harrier , S. , Ventura , S. J. , & et al. . ( 2009 ). Sexual and reproductive health of persons aged 10–24 years—United States, 2002–2007 . Morbidity and Mortality Weekly Report , 58 ( SS06 ), 1 – 58 . Retrieved from http://www.cdc.gov/mmwr/preview/mmwrhtml/ss5806a1.htm
- Lenhart , A. , Purcell , K. , Smith , A. , & Zickuhr , K. ( 2010 ). Social media and young adults . Washington , DC : Pew Internet & American Life Project .