RT Journal Article SR Electronic T1 IN THIS ISSUE JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 929 OP 929 VO 61 IS 11 A1 Carlos Alvarez-Dardet A1 John Ashton YR 2007 UL http://jech.bmj.com/content/61/11/929.abstract AB