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.
Frajman M, Díaz-Jouanen E, Alcocer-Varela J, Fishbein E, Guevara M, Alarcón-Segovia D.Frajman M, et al.Clin Immunol Immunopathol. 1983 Oct;29(1):94-102. doi: 10.1016/0090-1229(83)90010-7.Clin Immunol Immunopathol. 1983.PMID: 6224619