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.
Guth S, Windler E, Leise U, Bamberger CM.Guth S, et al. Among authors: bamberger cm.Ultrasound Int Open. 2016 Mar;2(1):E27-31. doi: 10.1055/s-0035-1569419. Epub 2016 Mar 1.Ultrasound Int Open. 2016.PMID: 27689164Free PMC article.