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.
Chaljub G, Van Fleet R, Guinto FC Jr, Crow WN, Martinez L, Kumar R.Chaljub G, et al. Among authors: guinto fc jr.AJR Am J Roentgenol. 1992 Nov;159(5):1069-74. doi: 10.2214/ajr.159.5.1414777.AJR Am J Roentgenol. 1992.PMID: 1414777