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.
Fang F, Yang GH, Guo JS, Qin Y.Fang F, et al. Among authors: guo js.Huan Jing Ke Xue. 2007 Sep;28(9):1975-80.Huan Jing Ke Xue. 2007.PMID: 17990542Chinese.
Fang F, Liu GQ, Guo JS, Liu ZP, Chen P.Fang F, et al. Among authors: guo js.Huan Jing Ke Xue. 2008 Aug;29(8):2266-70.Huan Jing Ke Xue. 2008.PMID: 18839583Chinese.
Yang GH, Fang F, Guo JS, Qin Y, Wei Y.Yang GH, et al. Among authors: guo js.Huan Jing Ke Xue. 2009 Jan;30(1):102-7.Huan Jing Ke Xue. 2009.PMID: 19353865Chinese.
Qin Y, Guo JS, Fang F, Yang GH.Qin Y, et al. Among authors: guo js.Huan Jing Ke Xue. 2009 Feb 15;30(2):493-8.Huan Jing Ke Xue. 2009.PMID: 19402505Chinese.
Fang F, Liu GQ, Guo JS, Liu ZP.Fang F, et al. Among authors: guo js.Huan Jing Ke Xue. 2009 Mar 15;30(3):834-9.Huan Jing Ke Xue. 2009.PMID: 19432337Chinese.