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.
Kleinveld HA, Hak-Lemmers HL, Stalenhoef AF, Demacker PN.Kleinveld HA, et al. Among authors: stalenhoef af.Clin Chem. 1992 Oct;38(10):2066-72.Clin Chem. 1992.PMID: 1394991
Demacker PN, Mol MJ, Stalenhoef AF.Demacker PN, et al. Among authors: stalenhoef af.Biochem J. 1990 Dec 15;272(3):647-51. doi: 10.1042/bj2720647.Biochem J. 1990.PMID: 2268292Free PMC article.