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.
Powe BD, Ntekop E, Barron M.Powe BD, et al.Public Health Nurs. 2004 Sep-Oct;21(5):435-42. doi: 10.1111/j.0737-1209.2004.21507.x.Public Health Nurs. 2004.PMID: 15363024Clinical Trial.
Powe BD, Hamilton J, Hancock N, Johnson N, Finnie R, Ko J, Brooks P, Boggan M Jr.Powe BD, et al.Cancer. 2007 Jan 15;109(2 Suppl):435-45. doi: 10.1002/cncr.22358.Cancer. 2007.PMID: 17149759Free article.Review.