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.
Guo Y, Zhang BZ, Meng XZ, Yu HY, Ran Y, Li SM, Zeng EY.Guo Y, et al. Among authors: zhang bz.Environ Sci Technol. 2009 May 1;43(9):3073-9. doi: 10.1021/es803294w.Environ Sci Technol. 2009.PMID: 19534116
Zhang K, Zhang BZ, Li SM, Wong CS, Zeng EY.Zhang K, et al. Among authors: zhang bz.Sci Total Environ. 2012 Aug 1;431:245-51. doi: 10.1016/j.scitotenv.2012.05.059. Epub 2012 Jun 9.Sci Total Environ. 2012.PMID: 22687434