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.
Hahn EJ, Rayens MK, Rasnake R, York N, Okoli CT, Riker CA.Hahn EJ, et al. Among authors: okoli ct.J Sch Health. 2005 Aug;75(6):219-25. doi: 10.1111/j.1746-1561.2005.00027.x.J Sch Health. 2005.PMID: 16014128
Hahn EJ, Rayens MK, Okoli CT, Love K, Kim S.Hahn EJ, et al. Among authors: okoli ct.Am J Health Promot. 2004 Jan-Feb;18(3):225-31. doi: 10.4278/0890-1171-18.3.225.Am J Health Promot. 2004.PMID: 14748312
Hahn EJ, Rayens MK, York N, Okoli CT, Zhang M, Dignan M, Al-Delaimy WK.Hahn EJ, et al. Among authors: okoli ct.J Occup Environ Med. 2006 Sep;48(9):906-13. doi: 10.1097/01.jom.0000215709.09305.01.J Occup Environ Med. 2006.PMID: 16966957
Okoli CT, Hall LA, Rayens MK, Hahn EJ.Okoli CT, et al.Biol Res Nurs. 2007 Jul;9(1):81-9. doi: 10.1177/1099800407300852.Biol Res Nurs. 2007.PMID: 17601859
Lee K, Hahn EJ, Pieper N, Okoli CT, Repace J, Troutman A.Lee K, et al. Among authors: okoli ct.J Environ Health. 2008 Apr;70(8):24-30, 54.J Environ Health. 2008.PMID: 18468220