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.
Barral A, Barral-Netto M, Yong EC, Brownell CE, Twardzik DR, Reed SG.Barral A, et al. Among authors: twardzik dr.Proc Natl Acad Sci U S A. 1993 Apr 15;90(8):3442-6. doi: 10.1073/pnas.90.8.3442.Proc Natl Acad Sci U S A. 1993.PMID: 7682701Free PMC article.
Ranchalis JE, Gentry L, Ogawa Y, Seyedin SM, McPherson J, Purchio A, Twardzik DR.Ranchalis JE, et al. Among authors: twardzik dr.Biochem Biophys Res Commun. 1987 Oct 29;148(2):783-9. doi: 10.1016/0006-291x(87)90944-2.Biochem Biophys Res Commun. 1987.PMID: 3479985