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.
White MF Jr, Morris R, Feist RM, Witherspoon CD, Helms HA Jr, John GR.White MF Jr, et al. Among authors: feist rm.South Med J. 1989 Feb;82(2):151-8.South Med J. 1989.PMID: 2916138
Morris RE, Witherspoon CD, Helms HA Jr, Feist RM, Byrne JB Jr.Morris RE, et al. Among authors: feist rm.South Med J. 1987 Jul;80(7):810-6. doi: 10.1097/00007611-198707000-00004.South Med J. 1987.PMID: 3603100