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.
Li H, Thorstad WL, Biehl KJ, Laforest R, Su Y, Shoghi KI, Donnelly ED, Low DA, Lu W.Li H, et al.Med Phys. 2008 Aug;35(8):3711-21. doi: 10.1118/1.2956713.Med Phys. 2008.PMID: 18777930Free PMC article.
Yang D, Li H, Low DA, Deasy JO, El Naqa I.Yang D, et al. Among authors: li h.Phys Med Biol. 2008 Nov 7;53(21):6143-65. doi: 10.1088/0031-9155/53/21/017. Epub 2008 Oct 14.Phys Med Biol. 2008.PMID: 18854610Free PMC article.
Li H, Yu L, Liu X, McCollough CH.Li H, et al.Annu Int Conf IEEE Eng Med Biol Soc. 2009;2009:993-6. doi: 10.1109/IEMBS.2009.5333100.Annu Int Conf IEEE Eng Med Biol Soc. 2009.PMID: 19963739
Tan J, Li HH, Klein E, Li H, Parikh P, Yang D.Tan J, et al. Among authors: li hh, li h.Med Phys. 2012 Aug;39(8):4695-704. doi: 10.1118/1.4736535.Med Phys. 2012.PMID: 22894394