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.
Archibald JM, Rogers MB, Toop M, Ishida K, Keeling PJ.Archibald JM, et al. Among authors: keeling pj.Proc Natl Acad Sci U S A. 2003 Jun 24;100(13):7678-83. doi: 10.1073/pnas.1230951100. Epub 2003 May 30.Proc Natl Acad Sci U S A. 2003.PMID: 12777624Free PMC article.
Williams BA, Slamovits CH, Patron NJ, Fast NM, Keeling PJ.Williams BA, et al. Among authors: keeling pj.Proc Natl Acad Sci U S A. 2005 Aug 2;102(31):10936-41. doi: 10.1073/pnas.0501321102. Epub 2005 Jul 21.Proc Natl Acad Sci U S A. 2005.PMID: 16037215Free PMC article.
de Koning AP, Tartar A, Boucias DG, Keeling PJ.de Koning AP, et al. Among authors: keeling pj.Protist. 2005 Aug;156(2):181-90. doi: 10.1016/j.protis.2005.02.005.Protist. 2005.PMID: 16171185