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.
Stancák A Jr, Lücking CH, Kristeva-Feige R.Stancák A Jr, et al. Among authors: kristeva feige r.Neuroreport. 2000 Feb 7;11(2):329-32. doi: 10.1097/00001756-200002070-00021.Neuroreport. 2000.PMID: 10674480Clinical Trial.