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.
Custer NA, DeFalco LA, Nussear KE, Esque TC.Custer NA, et al. Among authors: defalco la.J Environ Manage. 2017 May 15;193:448-457. doi: 10.1016/j.jenvman.2017.02.033. Epub 2017 Feb 24.J Environ Manage. 2017.PMID: 28238545