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.
Hwang BF, Lee YL, Jaakkola JJ.Hwang BF, et al.Environ Health Perspect. 2011 Sep;119(9):1345-9. doi: 10.1289/ehp.1003056. Epub 2011 Mar 29.Environ Health Perspect. 2011.PMID: 21447454Free PMC article.
Lee YL, Wang WH, Lu CW, Lin YH, Hwang BF.Lee YL, et al. Among authors: hwang bf.Int J Hyg Environ Health. 2011 Sep;214(5):369-75. doi: 10.1016/j.ijheh.2011.05.004. Epub 2011 Jun 15.Int J Hyg Environ Health. 2011.PMID: 21680243