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.
Armstrong DK, Fetting JH, Davidson NE, Gordon GB, Huelskamp AM, Abeloff MD.Armstrong DK, et al. Among authors: davidson ne.Breast Cancer Res Treat. 1993 Dec;28(3):277-84. doi: 10.1007/BF00666589.Breast Cancer Res Treat. 1993.PMID: 8018956Clinical Trial.