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.
Spiegel J, Yassi A, Ronald LA, Tate RB, Hacking P, Colby T.Spiegel J, et al. Among authors: ronald la.AAOHN J. 2002 Mar;50(3):128-34.AAOHN J. 2002.PMID: 11917340
McGregor MJ, Ericksen J, Ronald LA, Janssen PA, Van Vliet A, Schulzer M.McGregor MJ, et al. Among authors: ronald la.Can J Public Health. 2004 Nov-Dec;95(6):441-5. doi: 10.1007/BF03403990.Can J Public Health. 2004.PMID: 15622794Free PMC article.
McGregor MJ, Cohen M, McGrail K, Broemeling AM, Adler RN, Schulzer M, Ronald L, Cvitkovich Y, Beck M.McGregor MJ, et al.CMAJ. 2005 Mar 1;172(5):645-9. doi: 10.1503/cmaj.1040131.CMAJ. 2005.PMID: 15738489Free PMC article.
McGrail KM, McGregor MJ, Cohen M, Tate RB, Ronald LA.McGrail KM, et al. Among authors: ronald la.CMAJ. 2007 Jan 2;176(1):57-8. doi: 10.1503/cmaj.060591.CMAJ. 2007.PMID: 17200392Free PMC article.No abstract available.