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.
Chadwick BP, Willard HF.Chadwick BP, et al.Proc Natl Acad Sci U S A. 2004 Dec 14;101(50):17450-5. doi: 10.1073/pnas.0408021101. Epub 2004 Dec 1.Proc Natl Acad Sci U S A. 2004.PMID: 15574503Free PMC article.
Westervelt N, Yoest A, Sayed S, Von Zimmerman M, Kaps K, Chadwick BP.Westervelt N, et al. Among authors: chadwick bp.Chromosoma. 2021 Sep;130(2-3):177-197. doi: 10.1007/s00412-021-00754-z. Epub 2021 Mar 21.Chromosoma. 2021.PMID: 33745031Free PMC article.