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.
Prasad BV, Burns JW, Marietta E, Estes MK, Chiu W.Prasad BV, et al. Among authors: chiu w.Nature. 1990 Feb 1;343(6257):476-9. doi: 10.1038/343476a0.Nature. 1990.PMID: 2153941
Serysheva II, Orlova EV, Chiu W, Sherman MB, Hamilton SL, van Heel M.Serysheva II, et al. Among authors: chiu w.Nat Struct Biol. 1995 Jan;2(1):18-24. doi: 10.1038/nsb0195-18.Nat Struct Biol. 1995.PMID: 7719847