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.
Sturgeon CM, Hoffman BR, Chan DW, Ch'ng SL, Hammond E, Hayes DF, Liotta LA, Petricoin EF, Schmitt M, Semmes OJ, Söletormos G, van der Merwe E, Diamandis EP; National Academy of Clinical Biochemistry.Sturgeon CM, et al.Clin Chem. 2008 Aug;54(8):e1-e10. doi: 10.1373/clinchem.2007.094144. Epub 2008 Jul 7.Clin Chem. 2008.PMID: 18606634Free PMC article.