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.
Johnson CE, Crawford BE, Stavridis M, Ten Dam G, Wat AL, Rushton G, Ward CM, Wilson V, van Kuppevelt TH, Esko JD, Smith A, Gallagher JT, Merry CL.Johnson CE, et al. Among authors: ward cm.Stem Cells. 2007 Aug;25(8):1913-23. doi: 10.1634/stemcells.2006-0445. Epub 2007 Apr 26.Stem Cells. 2007.PMID: 17464092