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.
Doornwaard SM, Bickham DS, Rich M, Vanwesenbeeck I, van den Eijnden RJ, ter Bogt TF.Doornwaard SM, et al. Among authors: rich m.Pediatrics. 2014 Dec;134(6):1103-10. doi: 10.1542/peds.2014-0592. Epub 2014 Nov 17.Pediatrics. 2014.PMID: 25404728
Doornwaard SM, Bickham DS, Rich M, ter Bogt TF, van den Eijnden RJ.Doornwaard SM, et al. Among authors: rich m.Dev Psychol. 2015 Oct;51(10):1476-88. doi: 10.1037/dev0000040. Epub 2015 Aug 10.Dev Psychol. 2015.PMID: 26376287
Bickham DS, Hswen Y, Slaby RG, Rich M.Bickham DS, et al. Among authors: rich m.J Prim Prev. 2018 Jun;39(3):229-245. doi: 10.1007/s10935-018-0510-2.J Prim Prev. 2018.PMID: 29721652