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.
Peppercorn JM, Smith TJ, Helft PR, Debono DJ, Berry SR, Wollins DS, Hayes DM, Von Roenn JH, Schnipper LE; American Society of Clinical Oncology.Peppercorn JM, et al. Among authors: helft pr.J Clin Oncol. 2011 Feb 20;29(6):755-60. doi: 10.1200/JCO.2010.33.1744. Epub 2011 Jan 24.J Clin Oncol. 2011.PMID: 21263086