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.
Dong J, Wong KK, Tu J.Dong J, et al.Int J Numer Method Biomed Eng. 2013 Apr;29(4):476-91. doi: 10.1002/cnm.2529. Epub 2012 Nov 21.Int J Numer Method Biomed Eng. 2013.PMID: 23345076