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.
Holland D, Brewer JB, Hagler DJ, Fennema-Notestine C, Dale AM; Alzheimer's Disease Neuroimaging Initiative.Holland D, et al.Proc Natl Acad Sci U S A. 2009 Dec 8;106(49):20954-9. doi: 10.1073/pnas.0906053106.Proc Natl Acad Sci U S A. 2009.PMID: 19996185Free PMC article.
Wolk DA, Dickerson BC; Alzheimer's Disease Neuroimaging Initiative.Wolk DA, et al.Proc Natl Acad Sci U S A. 2010 Jun 1;107(22):10256-61. doi: 10.1073/pnas.1001412107. Epub 2010 May 17.Proc Natl Acad Sci U S A. 2010.PMID: 20479234Free PMC article.
Xu C, Wang Z, Fan M, Liu B, Song M, Zhen X, Jiang T; Alzheimer's Disease Neuroimaging Initiative.Xu C, et al.Neuroreport. 2010 Aug 23;21(12):802-7. doi: 10.1097/WNR.0b013e32833ccaf4.Neuroreport. 2010.PMID: 20613678Free PMC article.