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.
Zhou Q, Wu Y, Nielsen PJ, Liu Y.Zhou Q, et al. Among authors: nielsen pj.Eur J Immunol. 1997 Oct;27(10):2524-8. doi: 10.1002/eji.1830271009.Eur J Immunol. 1997.PMID: 9368605
Liu Y, Wenger RH, Zhao M, Nielsen PJ.Liu Y, et al. Among authors: nielsen pj.J Exp Med. 1997 Jan 20;185(2):251-62. doi: 10.1084/jem.185.2.251.J Exp Med. 1997.PMID: 9016874Free PMC article.