RT Journal Article SR Electronic T1 Advocacy for public health: a primer JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 361 OP 365 DO 10.1136/jech.2003.018051 VO 58 IS 5 A1 S Chapman YR 2004 UL http://jech.bmj.com/content/58/5/361.abstract AB Public health advocacy is the strategic use of news media to advance a public policy initiative, often in the face of opposition.