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.
Briegel W, Schimek M, Knapp D, Holderbach R, Wenzel P, Knapp EM.Briegel W, et al.Child Care Health Dev. 2009 Sep;35(5):650-5. doi: 10.1111/j.1365-2214.2009.00943.x. Epub 2009 Feb 23.Child Care Health Dev. 2009.PMID: 19250253
Briegel W, Schimek M, Kamp-Becker I.Briegel W, et al.Res Dev Disabil. 2010 Nov-Dec;31(6):1462-6. doi: 10.1016/j.ridd.2010.06.012.Res Dev Disabil. 2010.PMID: 20621443
Briegel W, Heinzel-Gutenbrunner M, Beate Y.Briegel W, et al.Res Dev Disabil. 2019 Feb;85:42-49. doi: 10.1016/j.ridd.2018.11.004. Epub 2018 Nov 19.Res Dev Disabil. 2019.PMID: 30466036
Briegel W, Schneider M, Schwab KO.Briegel W, et al.Child Care Health Dev. 2007 May;33(3):319-24. doi: 10.1111/j.1365-2214.2006.00654.x.Child Care Health Dev. 2007.PMID: 17439446