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.
Roberts L Jr, Gibbons R, Gibbons G, Rice RP, Thompson WM.Roberts L Jr, et al. Among authors: thompson wm.Radiographics. 1987 Mar;7(2):289-307. doi: 10.1148/radiographics.7.2.3448636.Radiographics. 1987.PMID: 3448636
Trenkner SW, Halvorsen RA Jr, Thompson WM.Trenkner SW, et al. Among authors: thompson wm.Radiol Clin North Am. 1994 Jan;32(1):15-24.Radiol Clin North Am. 1994.PMID: 8284355