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.
Chung YC, Li YH, Chen CC.Chung YC, et al.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2005;40(9):1775-90. doi: 10.1081/ese-200068058.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2005.PMID: 16134368
Chen CY, Chung YC.Chen CY, et al. Among authors: chung yc.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2006;41(2):235-48. doi: 10.1080/10934520500354573.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2006.PMID: 16423728
Chen CC, Chung YC.Chen CC, et al. Among authors: chung yc.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2006;41(4):645-58. doi: 10.1080/10934520600575044.J Environ Sci Health A Tox Hazard Subst Environ Eng. 2006.PMID: 16779938