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.
Shah Q, Sonuga-Barke E.Shah Q, et al.Br J Clin Psychol. 1995 Feb;34(1):79-81. doi: 10.1111/j.2044-8260.1995.tb01438.x.Br J Clin Psychol. 1995.PMID: 7757041
Sonuga-Barke EJ, Thompson M, Balding J.Sonuga-Barke EJ, et al.Child Care Health Dev. 1993 Jul-Aug;19(4):251-60. doi: 10.1111/j.1365-2214.1993.tb00731.x.Child Care Health Dev. 1993.PMID: 8339395