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.
Schriefl S, Steinberg TA, Matiasek K, Ossig A, Fenske N, Fischer A.Schriefl S, et al. Among authors: fenske n.J Am Vet Med Assoc. 2008 Nov 15;233(10):1591-7. doi: 10.2460/javma.233.10.1591.J Am Vet Med Assoc. 2008.PMID: 19014293Free article.
Rzehak P, Sausenthaler S, Koletzko S, Bauer CP, Schaaf B, von Berg A, Berdel D, Borte M, Herbarth O, Krämer U, Fenske N, Wichmann HE, Heinrich J.Rzehak P, et al. Among authors: fenske n.Eur J Epidemiol. 2009;24(8):449-67. doi: 10.1007/s10654-009-9356-5. Epub 2009 Jun 12.Eur J Epidemiol. 2009.PMID: 19521784