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.
Zhang X, Fan W, Hu YY, Li ZM, Xia ZJ, Lin XP, Zhang YR, Liang PY, Li YH.Zhang X, et al. Among authors: zhang yr.Chin J Cancer. 2015 Jun 10;34(6):264-71. doi: 10.1186/s40880-015-0021-y.Chin J Cancer. 2015.PMID: 26063296Free PMC article.
Hu YY, Sun XR, Lin XP, Liang PY, Zhang X, Fan W.Hu YY, et al. Among authors: zhang x.Ai Zheng. 2009 Sep;28(9):994-9. doi: 10.5732/cjc.009.10097.Ai Zheng. 2009.PMID: 19728921Free article.Chinese.
Peng H, Chen L, Tang LL, Li WF, Mao YP, Guo R, Zhang Y, Liu LZ, Tian L, Zhang X, Lin XP, Guo Y, Sun Y, Ma J.Peng H, et al. Among authors: zhang x, zhang y.Chin J Cancer. 2017 Dec 19;36(1):95. doi: 10.1186/s40880-017-0265-9.Chin J Cancer. 2017.PMID: 29258597Free PMC article.