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.
Foord R, Jakeman E, Oliver CJ, Pike ER, Blagrove RJ, Wood E, Peacocke AR.Foord R, et al. Among authors: pike er.Nature. 1970 Jul 18;227(5255):242-5. doi: 10.1038/227242a0.Nature. 1970.PMID: 5428189No abstract available.
Foord R, Jones R, Oliver CJ, Pike ER.Foord R, et al. Among authors: pike er.Appl Opt. 1969 Oct 1;8(10):1975-89. doi: 10.1364/AO.8.001975.Appl Opt. 1969.PMID: 20072559