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.
Gohlke C, Murchie AI, Lilley DM, Clegg RM.Gohlke C, et al. Among authors: clegg rm.Proc Natl Acad Sci U S A. 1994 Nov 22;91(24):11660-4. doi: 10.1073/pnas.91.24.11660.Proc Natl Acad Sci U S A. 1994.PMID: 7526401Free PMC article.
Clegg RM, Murchie AI, Zechel A, Lilley DM.Clegg RM, et al.Proc Natl Acad Sci U S A. 1993 Apr 1;90(7):2994-8. doi: 10.1073/pnas.90.7.2994.Proc Natl Acad Sci U S A. 1993.PMID: 8464916Free PMC article.