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.
Hryhorczuk AL, Stephens T, Bude RO, Rubin JM, Bailey JE, Higgins EJ, Fox GA, Klein KA.Hryhorczuk AL, et al.Ultrasound Med Biol. 2012 Apr;38(4):561-7. doi: 10.1016/j.ultrasmedbio.2011.12.026. Epub 2012 Feb 15.Ultrasound Med Biol. 2012.PMID: 22341051
Hryhorczuk AL, Restrepo R, Lee EY.Hryhorczuk AL, et al.AJR Am J Roentgenol. 2016 May;206(5):W62-72. doi: 10.2214/AJR.15.15858. Epub 2016 Mar 21.AJR Am J Roentgenol. 2016.PMID: 26998556Review.