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.
Hanlo PW, Gooskens RJ, van Schooneveld M, Tulleken CA, van der Knaap MS, Faber JA, Willemse J.Hanlo PW, et al.Dev Med Child Neurol. 1997 May;39(5):286-91. doi: 10.1111/j.1469-8749.1997.tb07433.x.Dev Med Child Neurol. 1997.PMID: 9236693Free article.