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.
Ben Amar MF, Jefferies D, Pays A, Bakalara N, Kendall G, Pays E.Ben Amar MF, et al.Nucleic Acids Res. 1991 Nov 11;19(21):5857-62. doi: 10.1093/nar/19.21.5857.Nucleic Acids Res. 1991.PMID: 1945875Free PMC article.
Rosati M, Marino M, Franzè A, Tramontano A, Grimaldi G.Rosati M, et al.Nucleic Acids Res. 1991 Oct 25;19(20):5661-7. doi: 10.1093/nar/19.20.5661.Nucleic Acids Res. 1991.PMID: 1945843Free PMC article.
Bösl M, Kersten H.Bösl M, et al.Nucleic Acids Res. 1991 Nov 11;19(21):5863-70. doi: 10.1093/nar/19.21.5863.Nucleic Acids Res. 1991.PMID: 1840671Free PMC article.