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.
Puett RC, Hart JE, Yanosky JD, Spiegelman D, Wang M, Fisher JA, Hong B, Laden F.Puett RC, et al.Environ Health Perspect. 2014 Sep;122(9):926-32. doi: 10.1289/ehp.1307490. Epub 2014 Jun 3.Environ Health Perspect. 2014.PMID: 24911062Free PMC article.
Fisher JA, Friesen MC, Kim S, Locke SJ, Kefelegn Y, Wong JYY, Albert PS, Jones RR.Fisher JA, et al.Environ Sci Technol Lett. 2019 Apr 9;6(4):222-227. doi: 10.1021/acs.estlett.9b00115. Epub 2019 Mar 18.Environ Sci Technol Lett. 2019.PMID: 36618715Free PMC article.