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.
Jelaso DV, Hirschfield JS.Jelaso DV, et al. Among authors: hirschfield js.South Med J. 1974 Mar;67(3):310-1. doi: 10.1097/00007611-197403000-00015.South Med J. 1974.PMID: 4814181No abstract available.