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.
Melikishvili M, Hellman LM, Fried MG.Melikishvili M, et al. Among authors: hellman lm.Methods Enzymol. 2009;466:65-81. doi: 10.1016/S0076-6879(09)66004-3. Epub 2009 Nov 13.Methods Enzymol. 2009.PMID: 21609858
Popa A, Carter JR, Smith SE, Hellman L, Fried MG, Dutch RE.Popa A, et al.J Virol. 2012 Mar;86(6):3014-26. doi: 10.1128/JVI.05826-11. Epub 2012 Jan 11.J Virol. 2012.PMID: 22238299Free PMC article.