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.
Bergsland E, Dickler MN.Bergsland E, et al.Oncologist. 2004;9 Suppl 1:36-42. doi: 10.1634/theoncologist.9-suppl_1-36.Oncologist. 2004.PMID: 15178814Free article.Review.