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.
Ying XJ, Dong P, Shen B, Wang J, Wang S, Wang G.Ying XJ, et al.J Cancer Res Clin Oncol. 2011 Nov;137(11):1661-7. doi: 10.1007/s00432-011-1045-6. Epub 2011 Aug 30.J Cancer Res Clin Oncol. 2011.PMID: 21877196
Chen X, Wang F, Xie F, Dong P, Ying X.Chen X, et al.Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2016 Jan;30(1):42-4.Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2016.PMID: 27197454Chinese.