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.
Buckner JC, Ingle JN, Everson LK, O'Fallon JR, Cullinan SA, Ahmann DL, Krook JE, Pfeifle DM.Buckner JC, et al. Among authors: ahmann dl.Breast Cancer Res Treat. 1989 Mar;13(2):135-42. doi: 10.1007/BF01806525.Breast Cancer Res Treat. 1989.PMID: 2659104Clinical Trial.