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.
Roach M 3rd, Brophy N, Cox R, Varghese A, Hoppe RT.Roach M 3rd, et al. Among authors: hoppe rt.J Clin Oncol. 1990 Apr;8(4):623-9. doi: 10.1200/JCO.1990.8.4.623.J Clin Oncol. 1990.PMID: 2313331