RT Journal Article SR Electronic T1 Previous trials of dissemination were identified JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 354 OP 355 VO 58 IS 4 A1 Edwards, P A1 Cooper, R YR 2004 UL http://jech.bmj.com/content/58/4/354.3.abstract AB