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.
Dudukina E, Horváth-Puhó E, Sørensen HT, Ehrenstein V.Dudukina E, et al. Among authors: ehrenstein v.Int J Epidemiol. 2023 Dec 25;52(6):1783-1794. doi: 10.1093/ije/dyad130.Int J Epidemiol. 2023.PMID: 37758298
Mahon BE, Ehrenstein V, Nørgaard M, Pedersen L, Rothman KJ, Sørensen HT.Mahon BE, et al. Among authors: ehrenstein v.Pediatrics. 2007 Apr;119(4):e804-12. doi: 10.1542/peds.2006-2094.Pediatrics. 2007.PMID: 17403823