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.
Dahlin KM, Asner GP, Field CB.Dahlin KM, et al. Among authors: asner gp.Proc Natl Acad Sci U S A. 2013 Apr 23;110(17):6895-900. doi: 10.1073/pnas.1215513110. Epub 2013 Apr 8.Proc Natl Acad Sci U S A. 2013.PMID: 23569241Free PMC article.
Marvin DC, Asner GP, Knapp DE, Anderson CB, Martin RE, Sinca F, Tupayachi R.Marvin DC, et al. Among authors: asner gp.Proc Natl Acad Sci U S A. 2014 Dec 2;111(48):E5224-32. doi: 10.1073/pnas.1412999111. Epub 2014 Nov 24.Proc Natl Acad Sci U S A. 2014.PMID: 25422434Free PMC article.