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.
Jefferis B, Graham H, Manor O, Power C.Jefferis B, et al.Addiction. 2003 Dec;98(12):1765-72. doi: 10.1111/j.1360-0443.2003.00552.x.Addiction. 2003.PMID: 14651509
Jefferis BJ, Power C, Graham H, Manor O.Jefferis BJ, et al.Am J Public Health. 2004 Feb;94(2):279-85. doi: 10.2105/ajph.94.2.279.Am J Public Health. 2004.PMID: 14759943Free PMC article.
Jefferis BJ, Power C, Graham H, Manor O.Jefferis BJ, et al.J Public Health (Oxf). 2004 Mar;26(1):13-8. doi: 10.1093/pubmed/fdh110.J Public Health (Oxf). 2004.PMID: 15044567
Jefferis BJ, Manor O, Power C.Jefferis BJ, et al.J Epidemiol Community Health. 2007 Feb;61(2):150-3. doi: 10.1136/jech.2006.049304.J Epidemiol Community Health. 2007.PMID: 17234875Free PMC article.
Caldwell TM, Rodgers B, Clark C, Jefferis BJ, Stansfeld SA, Power C.Caldwell TM, et al. Among authors: jefferis bj.Drug Alcohol Depend. 2008 Jun 1;95(3):269-78. doi: 10.1016/j.drugalcdep.2008.01.014. Epub 2008 Mar 12.Drug Alcohol Depend. 2008.PMID: 18339490
Jefferis BJ, Manor O, Power C.Jefferis BJ, et al.J Epidemiol Community Health. 2008 Jun;62(6):506-12. doi: 10.1136/jech.2007.059840.J Epidemiol Community Health. 2008.PMID: 18477749