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.
Blok VT, Daha MR, Tijsma OM, Weissglas MG, van den Broek LJ, Gorter A.Blok VT, et al. Among authors: weissglas mg.Lab Invest. 2000 Mar;80(3):335-44. doi: 10.1038/labinvest.3780038.Lab Invest. 2000.PMID: 10744069Free article.