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.
Degli-Esposti MA, Andreas A, Christiansen FT, Schalke B, Albert E, Dawkins RL.Degli-Esposti MA, et al.Immunogenetics. 1992;35(6):355-64. doi: 10.1007/BF00179791.Immunogenetics. 1992.PMID: 1349584