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.
Han Y, Grogan-Kaylor A, Delva J, Castillo M.Han Y, et al. Among authors: delva j.Int J Child Adolesc health. 2012 Jan;5(1):53-64.Int J Child Adolesc health. 2012.PMID: 24489979Free PMC article.
Delva J, Lee W, Sanchez N, Andrade FH, Grogan-Kaylor A, Sanhueza G, Ho M.Delva J, et al.Int J Environ Res Public Health. 2014 Mar 21;11(3):3443-52. doi: 10.3390/ijerph110303443.Int J Environ Res Public Health. 2014.PMID: 24662965Free PMC article.