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.
Heystek HC, den Drijver B, Kapsenberg ML, van Lier RA, de Jong EC.Heystek HC, et al.Clin Immunol. 2003 Jun;107(3):170-7. doi: 10.1016/s1521-6616(03)00060-3.Clin Immunol. 2003.PMID: 12804530
Verheijen MH, Karperien M, Chung U, van Wijuen M, Heystek H, Hendriks JA, Veltmaat JM, Lanske B, Li E, Löwik CW, de Laat SW, Kronenberg HM, Defize LH.Verheijen MH, et al.Mech Dev. 1999 Mar;81(1-2):151-61. doi: 10.1016/s0925-4773(98)00240-8.Mech Dev. 1999.PMID: 10330492Free article.