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.
Larrieu AJ, Tyers GF, Williams EH, Morettin LB, Derrick JR.Larrieu AJ, et al.South Med J. 1979 Nov;72(11):1374-6. doi: 10.1097/00007611-197911000-00007.South Med J. 1979.PMID: 159492
Larrieu AJ, Tyers GF, Williams EH, Derrick JR.Larrieu AJ, et al.South Med J. 1980 Nov;73(11):1539-40. doi: 10.1097/00007611-198011000-00038.South Med J. 1980.PMID: 7444532