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.
Smith-Spark JH, Henry LA, Messer DJ, Edvardsdottir E, Zięcik AP.Smith-Spark JH, et al.Res Dev Disabil. 2016 Jun-Jul;53-54:323-41. doi: 10.1016/j.ridd.2016.03.001. Epub 2016 Mar 10.Res Dev Disabil. 2016.PMID: 26970859
Smith-Spark JH, Henry LA, Messer DJ, Edvardsdottir E, Zięcik AP.Smith-Spark JH, et al.Res Dev Disabil. 2016 Sep;56:197. doi: 10.1016/j.ridd.2016.06.004.Res Dev Disabil. 2016.PMID: 27352913No abstract available.