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.
Miller DC, Spencer BA, Shah RB, Ritchey J, Stewart AK, Gay EG, Dunn RL, Wei JT, Litwin MS.Miller DC, et al. Among authors: spencer ba.Cancer. 2007 Jun 15;109(12):2445-53. doi: 10.1002/cncr.22698.Cancer. 2007.PMID: 17492683Free article.
Spencer BA, Babey SH, Etzioni DA, Ponce NA, Brown ER, Yu H, Chawla N, Litwin MS.Spencer BA, et al.Cancer. 2006 Feb 15;106(4):765-74. doi: 10.1002/cncr.21673.Cancer. 2006.PMID: 16419068Free article.