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.
van Engen-Verheul M, de Keizer N, Hellemans I, Kraaijenhagen R, Hasman A, Peek N.van Engen-Verheul M, et al.Stud Health Technol Inform. 2010;160(Pt 2):836-40.Stud Health Technol Inform. 2010.PMID: 20841803
Van Engen-Verheul M, Kemps H, Kraaijenhagen R, De Keizer N, Peek N.Van Engen-Verheul M, et al.Stud Health Technol Inform. 2011;169:88-92.Stud Health Technol Inform. 2011.PMID: 21893720
van Engen-Verheul M, de Vries H, Kemps H, Kraaijenhagen R, de Keizer N, Peek N.van Engen-Verheul M, et al.Eur J Prev Cardiol. 2013 Apr;20(2):349-56. doi: 10.1177/2047487312439497. Epub 2012 Feb 8.Eur J Prev Cardiol. 2013.PMID: 22345699