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.
Koi M, Afshari CA, Annab LA, Barrett JC.Koi M, et al. Among authors: afshari ca.Proc Natl Acad Sci U S A. 1989 Nov;86(22):8773-7. doi: 10.1073/pnas.86.22.8773.Proc Natl Acad Sci U S A. 1989.PMID: 2813423Free PMC article.
Kouprina N, Annab L, Graves J, Afshari C, Barrett JC, Resnick MA, Larionov V.Kouprina N, et al.Proc Natl Acad Sci U S A. 1998 Apr 14;95(8):4469-74. doi: 10.1073/pnas.95.8.4469.Proc Natl Acad Sci U S A. 1998.PMID: 9539761Free PMC article.
Afshari CA, Barrett JC.Afshari CA, et al.Environ Health Perspect. 1993 Dec;101 Suppl 5(Suppl 5):9-14. doi: 10.1289/ehp.93101s59.Environ Health Perspect. 1993.PMID: 8013430Free PMC article.Review.