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.
Molenaar EA, Van Ameijden EJ, Grobbee DE, Numans ME.Molenaar EA, et al. Among authors: grobbee de.Eur J Public Health. 2007 Apr;17(2):199-205. doi: 10.1093/eurpub/ckl113. Epub 2006 Aug 3.Eur J Public Health. 2007.PMID: 16887835
Knol MJ, van der Tweel I, Grobbee DE, Numans ME, Geerlings MI.Knol MJ, et al. Among authors: grobbee de.Int J Epidemiol. 2007 Oct;36(5):1111-8. doi: 10.1093/ije/dym157. Epub 2007 Aug 27.Int J Epidemiol. 2007.PMID: 17726040