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.
Kuang YW, Zhou GY, Da Wen Z, Liu SZ.Kuang YW, et al. Among authors: zhou gy.Environ Sci Pollut Res Int. 2007 Jun;14(4):270-5. doi: 10.1065/espr2006.09.344.Environ Sci Pollut Res Int. 2007.PMID: 17668825
Xu GL, Mo JM, Fu SL, Gundersen P, Zhou GY, Xue JH.Xu GL, et al. Among authors: zhou gy.J Environ Sci (China). 2007;19(5):603-9. doi: 10.1016/s1001-0742(07)60100-4.J Environ Sci (China). 2007.PMID: 17915691