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.
Wolfe CD, Bell MA.Wolfe CD, et al. Among authors: bell ma.Dev Psychobiol. 2004 Jan;44(1):68-83. doi: 10.1002/dev.10152.Dev Psychobiol. 2004.PMID: 14704991
Smith CL, Bell MA.Smith CL, et al. Among authors: bell ma.Dev Psychobiol. 2010 Mar;52(2):158-67. doi: 10.1002/dev.20427.Dev Psychobiol. 2010.PMID: 20175143Free PMC article.
Diaz A, Bell MA.Diaz A, et al. Among authors: bell ma.Dev Psychobiol. 2012 Jul;54(5):536-45. doi: 10.1002/dev.20612. Epub 2011 Oct 17.Dev Psychobiol. 2012.PMID: 22006522Free PMC article.