An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Valkenburg PM, Peter J.Valkenburg PM, et al. Among authors: peter j.J Adolesc Health. 2011 Feb;48(2):121-7. doi: 10.1016/j.jadohealth.2010.08.020. Epub 2010 Dec 13.J Adolesc Health. 2011.PMID: 21257109Review.
Valkenburg PM, Peter J.Valkenburg PM, et al. Among authors: peter j.Dev Psychol. 2007 Mar;43(2):267-77. doi: 10.1037/0012-1649.43.2.267.Dev Psychol. 2007.PMID: 17352538
Baumgartner SE, Valkenburg PM, Peter J.Baumgartner SE, et al. Among authors: peter j.J Youth Adolesc. 2010 Oct;39(10):1226-39. doi: 10.1007/s10964-010-9512-y. Epub 2010 Feb 23.J Youth Adolesc. 2010.PMID: 20177962Free PMC article.
Valkenburg PM, Sumter SR, Peter J.Valkenburg PM, et al. Among authors: peter j.Br J Dev Psychol. 2011 Jun;29(Pt 2):253-69. doi: 10.1348/2044-835X.002001. Epub 2010 Nov 29.Br J Dev Psychol. 2011.PMID: 21199497
Peter J, Valkenburg PM.Peter J, et al.J Health Commun. 2011 Aug;16(7):750-65. doi: 10.1080/10810730.2011.551996. Epub 2011 May 24.J Health Commun. 2011.PMID: 21476164