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.
O'Brien MA, Whelan TJ, Villasis-Keever M, Gafni A, Charles C, Roberts R, Schiff S, Cai W.O'Brien MA, et al. Among authors: gafni a.J Clin Oncol. 2009 Feb 20;27(6):974-85. doi: 10.1200/JCO.2007.16.0101. Epub 2009 Jan 5.J Clin Oncol. 2009.PMID: 19124808Review.
Charles CA, Whelan T, Gafni A, Willan A, Farrell S.Charles CA, et al. Among authors: gafni a.J Clin Oncol. 2003 Mar 1;21(5):932-6. doi: 10.1200/JCO.2003.05.057.J Clin Oncol. 2003.PMID: 12610196