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.
Wang X, Ma J, George S, Zhou H.Wang X, et al. Among authors: zhou h.Stat Biopharm Res. 2012 Jan 1;4(4):313-323. doi: 10.1080/19466315.2012.692514. Epub 2012 Oct 1.Stat Biopharm Res. 2012.PMID: 23393612Free PMC article.
Zhou Q, Cai J, Zhou H.Zhou Q, et al. Among authors: zhou h.Biometrics. 2018 Mar;74(1):58-67. doi: 10.1111/biom.12744. Epub 2017 Aug 3.Biometrics. 2018.PMID: 28771664Free PMC article.