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.
Withycombe JS, Post-White JE, Meza JL, Hawks RG, Smith LM, Sacks N, Seibel NL.Withycombe JS, et al.Pediatr Blood Cancer. 2009 Dec 15;53(7):1249-54. doi: 10.1002/pbc.22237.Pediatr Blood Cancer. 2009.PMID: 19688832Free PMC article.