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.
Harris JR, Huang Y, Hannon PA, Williams B.Harris JR, et al. Among authors: hannon pa.J Occup Environ Med. 2011 Feb;53(2):132-8. doi: 10.1097/JOM.0b013e3182045f2c.J Occup Environ Med. 2011.PMID: 21270663
Harris JR, Hammerback K, Brown M, Ryan DE, Coe NB, Pike KJ, Santiago PM, Hannon PA.Harris JR, et al. Among authors: hannon pa.J Public Health Manag Pract. 2021 Mar-Apr 01;27(2):117-124. doi: 10.1097/PHH.0000000000001105.J Public Health Manag Pract. 2021.PMID: 31738191Free PMC article.Clinical Trial.