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.
Märtens M, Petzold H.Märtens M, et al.Prax Kinderpsychol Kinderpsychiatr. 1995 Oct;44(8):302-21.Prax Kinderpsychol Kinderpsychiatr. 1995.PMID: 8584513Review.German.
Walton JR, Martens MA, Pober BR.Walton JR, et al.Am J Med Genet A. 2017 May;173(5):1159-1171. doi: 10.1002/ajmg.a.38156. Epub 2017 Mar 29.Am J Med Genet A. 2017.PMID: 28371210