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.
Winter AS, Fountain C, Cheslack-Postava K, Bearman PS.Winter AS, et al.Proc Natl Acad Sci U S A. 2020 Dec 1;117(48):30295-30302. doi: 10.1073/pnas.2015762117. Epub 2020 Nov 16.Proc Natl Acad Sci U S A. 2020.PMID: 33199592Free PMC article.
Cheslack Postava K, Winter AS.Cheslack Postava K, et al. Among authors: winter as.Perspect Sex Reprod Health. 2015 Mar;47(1):19-26. doi: 10.1363/47e2615. Epub 2015 Jan 26.Perspect Sex Reprod Health. 2015.PMID: 25623196