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.
Leibowitz KA, Howe LC, Crum AJ.Leibowitz KA, et al. Among authors: howe lc.BMJ Open. 2021 Feb 1;11(2):e040134. doi: 10.1136/bmjopen-2020-040134.BMJ Open. 2021.PMID: 33526496Free PMC article.Clinical Trial.
Howe LC, Hardebeck EJ, Eberhardt JL, Markus HR, Crum AJ.Howe LC, et al.Proc Natl Acad Sci U S A. 2022 Jul 5;119(27):e2007717119. doi: 10.1073/pnas.2007717119. Epub 2022 Jun 27.Proc Natl Acad Sci U S A. 2022.PMID: 35749352Free PMC article.Clinical Trial.