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.
Tobis JS, Hoehler FK.Tobis JS, et al.Bull N Y Acad Med. 1983 Sep;59(7):660-8.Bull N Y Acad Med. 1983.PMID: 6226331Free PMC article.Clinical Trial.No abstract available.