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.
Brown RA, Davies MC, Colter JS, Logan JB, Kritchevsky D.Brown RA, et al. Among authors: colter js.Proc Natl Acad Sci U S A. 1957 Oct 15;43(10):857-60. doi: 10.1073/pnas.43.10.857.Proc Natl Acad Sci U S A. 1957.PMID: 16590099Free PMC article.No abstract available.
BROWN RA, COLTER JS.BROWN RA, et al. Among authors: colter js.Science. 1956 Nov 30;124(3231):1077-8. doi: 10.1126/science.124.3231.1077.Science. 1956.PMID: 13380422No abstract available.