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.
Poepping TL, Nikolov HN, Rankin RN, Lee M, Holdsworth DW.Poepping TL, et al. Among authors: holdsworth dw.Ultrasound Med Biol. 2002 Apr;28(4):495-506. doi: 10.1016/s0301-5629(02)00479-9.Ultrasound Med Biol. 2002.PMID: 12049963
Lee MK, Drangova M, Holdsworth DW, Fenster A.Lee MK, et al. Among authors: holdsworth dw.Med Biol Eng Comput. 1999 Jan;37(1):13-24. doi: 10.1007/BF02513260.Med Biol Eng Comput. 1999.PMID: 10396836