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.
Li CS, Hsu CW, Tai ML.Li CS, et al.Arch Environ Health. 1997 May-Jun;52(3):200-7. doi: 10.1080/00039899709602887.Arch Environ Health. 1997.PMID: 9169630
Li CS, Hsu CW, Lu CH.Li CS, et al.Arch Environ Health. 1997 Jan-Feb;52(1):68-71. doi: 10.1080/00039899709603803.Arch Environ Health. 1997.PMID: 9039861
Li CS, Hsu CW, Lin RH.Li CS, et al.Arch Environ Health. 1997 May-Jun;52(3):208-12. doi: 10.1080/00039899709602888.Arch Environ Health. 1997.PMID: 9169631
Wan GH, Li CS.Wan GH, et al. Among authors: li cs.Arch Environ Health. 1999 Jan-Feb;54(1):58-63. doi: 10.1080/00039899909602238.Arch Environ Health. 1999.PMID: 10025418
Wan GH, Li CS.Wan GH, et al. Among authors: li cs.Arch Environ Health. 1999 May-Jun;54(3):172-9. doi: 10.1080/00039899909602256.Arch Environ Health. 1999.PMID: 10444038
Li CS, Hsu LY.Li CS, et al.Arch Environ Health. 1997 Jan-Feb;52(1):72-9. doi: 10.1080/00039899709603804.Arch Environ Health. 1997.PMID: 9039862Clinical Trial.