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.
Kruit A, Tilanus-Linthorst MM, Boonstra JG, van Schaik RH, Grutters JC, van den Bosch JM, Ruven HJ.Kruit A, et al. Among authors: boonstra jg.Clin Biochem. 2009 May;42(7-8):662-5. doi: 10.1016/j.clinbiochem.2008.11.020. Epub 2008 Dec 24.Clin Biochem. 2009.PMID: 19121298