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.
Combs SE, Thilmann C, Debus J, Schulz-Ertner D.Combs SE, et al.Cancer. 2005 Dec 1;104(11):2457-65. doi: 10.1002/cncr.21448.Cancer. 2005.PMID: 16222690Free article.