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.
Chen X, Wang Y, Zhu H, Hao H, Zhao X, Qin T, Wang D.Chen X, et al.Theriogenology. 2015 Mar 1;83(4):504-11. doi: 10.1016/j.theriogenology.2014.10.015. Epub 2014 Oct 16.Theriogenology. 2015.PMID: 25459024
He Y, Chen X, Zhu H, Wang D.He Y, et al. Among authors: chen x.Cytotechnology. 2015 Dec;67(6):921-30. doi: 10.1007/s10616-015-9850-4. Epub 2015 Mar 7.Cytotechnology. 2015.PMID: 25749914Free PMC article.
Qin Y, Liu L, He Y, Wang C, Liang M, Chen X, Hao H, Qin T, Zhao X, Wang D.Qin Y, et al. Among authors: chen x.PLoS One. 2016 Feb 12;11(2):e0148388. doi: 10.1371/journal.pone.0148388. eCollection 2016.PLoS One. 2016.PMID: 26871566Free PMC article.