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.
Kohlhammer Y, Rzehak P, Behr J, Wichmann HE, Heinrich J.Kohlhammer Y, et al.Int J Occup Environ Health. 2007 Apr-Jun;13(2):167-74. doi: 10.1179/oeh.2007.13.2.167.Int J Occup Environ Health. 2007.PMID: 17718173
Kohlhammer Y, Zutavern A, Rzehak P, Woelke G, Heinrich J.Kohlhammer Y, et al.Allergy. 2006 Nov;61(11):1310-5. doi: 10.1111/j.1398-9995.2006.01131.x.Allergy. 2006.PMID: 17002707
Kohlhammer Y, Döring A, Schäfer T, Wichmann HE, Heinrich J; KORA Study Group.Kohlhammer Y, et al.Allergy. 2006 Nov;61(11):1305-9. doi: 10.1111/j.1398-9995.2006.01229.x.Allergy. 2006.PMID: 17002706
Kohlhammer Y, Schwartz M, Raspe H, Schäfer T.Kohlhammer Y, et al.Dtsch Med Wochenschr. 2005 Feb 25;130(8):381-6. doi: 10.1055/s-2005-863061.Dtsch Med Wochenschr. 2005.PMID: 15717247Review.German.
Kohlhammer Y, Schnoor M, Schwartz M, Raspe H, Schäfer T.Kohlhammer Y, et al.Public Health. 2007 Oct;121(10):742-51. doi: 10.1016/j.puhe.2007.02.011. Epub 2007 Jun 18.Public Health. 2007.PMID: 17572457Review.