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.
Xu XH, Peng XH, Yu P, Xu XY, Cai EH, Guo P, Li K.Xu XH, et al. Among authors: li k.Asian Pac J Cancer Prev. 2012;13(1):103-10. doi: 10.7314/apjcp.2012.13.1.103.Asian Pac J Cancer Prev. 2012.PMID: 22502650Free article.
Cai EH, Gao YX, Wei ZZ, Chen WY, Yu P, Li K.Cai EH, et al. Among authors: li k.Asian Pac J Cancer Prev. 2012;13(4):1563-7. doi: 10.7314/apjcp.2012.13.4.1563.Asian Pac J Cancer Prev. 2012.PMID: 22799367Free article.
Chen M, Cai E, Huang J, Yu P, Li K.Chen M, et al. Among authors: li k.Cancer Epidemiol Biomarkers Prev. 2012 Jul;21(7):1126-34. doi: 10.1158/1055-9965.EPI-12-0020. Epub 2012 May 7.Cancer Epidemiol Biomarkers Prev. 2012.PMID: 22564870
Zhu ZL, Zhang J, Chen ML, Li K.Zhu ZL, et al. Among authors: li k.Asian Pac J Cancer Prev. 2013;14(12):7111-6. doi: 10.7314/apjcp.2013.14.12.7111.Asian Pac J Cancer Prev. 2013.PMID: 24460260Free article.
Wang L, Yu QY, Liu Y, Zhu ZL, Huang YW, Li K.Wang L, et al. Among authors: li k.Asian Pac J Cancer Prev. 2016;17(9):4281-4288.Asian Pac J Cancer Prev. 2016.PMID: 27797231Free article.