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.
Chu E, Koeller DM, Casey JL, Drake JC, Chabner BA, Elwood PC, Zinn S, Allegra CJ.Chu E, et al.Proc Natl Acad Sci U S A. 1991 Oct 15;88(20):8977-81. doi: 10.1073/pnas.88.20.8977.Proc Natl Acad Sci U S A. 1991.PMID: 1924359Free PMC article.
Chu E, Allegra CJ.Chu E, et al.Adv Exp Med Biol. 1993;339:143-51; discussion 165-7. doi: 10.1007/978-1-4615-2488-5_16.Adv Exp Med Biol. 1993.PMID: 8178713No abstract available.