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.
Yin G, Liu L, Chang X, Sun J.Yin G, et al. Among authors: liu l.Environ Sci Pollut Res Int. 2016 Jul;23(14):14018-33. doi: 10.1007/s11356-016-6510-y. Epub 2016 Apr 4.Environ Sci Pollut Res Int. 2016.PMID: 27040549
Zhuo D, Liu L, Yu H, Yuan C.Zhuo D, et al. Among authors: liu l.Environ Sci Pollut Res Int. 2018 Jan;25(2):1683-1705. doi: 10.1007/s11356-017-0118-8. Epub 2017 Nov 3.Environ Sci Pollut Res Int. 2018.PMID: 29101691
Li H, Liu L, Ji X.Li H, et al. Among authors: liu l.Environ Monit Assess. 2015 Mar;187(3):129. doi: 10.1007/s10661-015-4349-1. Epub 2015 Feb 21.Environ Monit Assess. 2015.PMID: 25697310
Qiu M, Wang Q, Li F, Chen J, Yang G, Liu L.Qiu M, et al. Among authors: liu l.Environ Sci Pollut Res Int. 2016 Jan;23(1):816-30. doi: 10.1007/s11356-015-5334-5. Epub 2015 Sep 5.Environ Sci Pollut Res Int. 2016.PMID: 26341341
Qi X, Wang RY, Li J, Zhang T, Liu L, He Y.Qi X, et al. Among authors: liu l.J Environ Manage. 2018 May 1;213:329-340. doi: 10.1016/j.jenvman.2018.02.048.J Environ Manage. 2018.PMID: 29502018
Qi X, Liu L, Liu Y, Yao L.Qi X, et al. Among authors: liu y, liu l.Environ Monit Assess. 2013 Jun;185(6):4855-67. doi: 10.1007/s10661-012-2908-2. Epub 2012 Oct 20.Environ Monit Assess. 2013.PMID: 23086542