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.
Palmer DK, O'Day K, Trong HL, Charbonneau H, Margolis RL.Palmer DK, et al.Proc Natl Acad Sci U S A. 1991 May 1;88(9):3734-8. doi: 10.1073/pnas.88.9.3734.Proc Natl Acad Sci U S A. 1991.PMID: 2023923Free PMC article.
Lanier WA, Palmer DK, Willmore DK, Oakeson KF, Young EL, Nolen LD.Lanier WA, et al. Among authors: palmer dk.Public Health Rep. 2023 May-Jun;138(3):416-421. doi: 10.1177/00333549231152198. Epub 2023 Feb 3.Public Health Rep. 2023.PMID: 36734220Free PMC article.