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.
Kjaerbye-Thygesen A, Huusom LD, Frederiksen K, Kjaer SK; Danish Cancer Registry and the Pathology Data Bank.Kjaerbye-Thygesen A, et al.Ugeskr Laeger. 2007 Jan 1;169(1):50-4.Ugeskr Laeger. 2007.PMID: 17217888Danish.