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.
Fraser KH, Poepping TL, McNeilly A, Megson IL, Hoskins PR.Fraser KH, et al. Among authors: poepping tl.Ultrasound Med Biol. 2006 Jun;32(6):971-80. doi: 10.1016/j.ultrasmedbio.2006.02.1417.Ultrasound Med Biol. 2006.PMID: 16785018
Poepping TL, Nikolov HN, Rankin RN, Lee M, Holdsworth DW.Poepping TL, et al.Ultrasound Med Biol. 2002 Apr;28(4):495-506. doi: 10.1016/s0301-5629(02)00479-9.Ultrasound Med Biol. 2002.PMID: 12049963