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.
Cai L, Sun A, Li H, Tsinkgou A, Yu J, Ying S, Chen Z, Shi Z.Cai L, et al. Among authors: chen z.Reprod Biol Endocrinol. 2015 Apr 9;13:26. doi: 10.1186/s12958-015-0022-3.Reprod Biol Endocrinol. 2015.PMID: 25889399Free PMC article.
Zhu HX, Liu XQ, Hu MD, Lei MM, Chen Z, Ying SJ, Yu JN, Dai ZC, Shi ZD.Zhu HX, et al. Among authors: chen z.Theriogenology. 2019 Jan 1;123:167-176. doi: 10.1016/j.theriogenology.2018.10.001. Epub 2018 Oct 3.Theriogenology. 2019.PMID: 30308393
Lei MM, Wu SQ, Shao XB, Li XW, Chen Z, Ying SJ, Shi ZD.Lei MM, et al. Among authors: chen z.Domest Anim Endocrinol. 2015 Jan;50:55-64. doi: 10.1016/j.domaniend.2014.09.001. Epub 2014 Sep 16.Domest Anim Endocrinol. 2015.PMID: 25447880