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.
Lell WA, Samuelson PN, Reves JG, Strong SD.Lell WA, et al. Among authors: samuelson pn.South Med J. 1979 Jul;72(7):773-5, 778. doi: 10.1097/00007611-197907000-00003.South Med J. 1979.PMID: 451679
Samuelson PN, Lell WA, Kouchoukos NT, Strong SD, Dole KM.Samuelson PN, et al.South Med J. 1980 Mar;73(3):332-4. doi: 10.1097/00007611-198003000-00017.South Med J. 1980.PMID: 6965807