RT Journal Article SR Electronic T1 Health promotion evaluation and the principle of prevention JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 5 OP 6 VO 60 IS 1 A1 Nebot, Manel YR 2006 UL http://jech.bmj.com/content/60/1/5.abstract AB