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.
Vuoristo MS, Kellokumpu-Lehtinen P, Parvinen LM, Hahka-Kemppinen M, Korpela M, Kumpulainen E, Laine S.Vuoristo MS, et al.Acta Oncol. 2000;39(7):877-9. doi: 10.1080/028418600750063659.Acta Oncol. 2000.PMID: 11145448