TY - JOUR T1 - Previous trials of dissemination were identified JF - Journal of Epidemiology and Community Health JO - J Epidemiol Community Health SP - 354 LP - 355 VL - 58 IS - 4 AU - P Edwards AU - R Cooper Y1 - 2004/04/01 UR - http://jech.bmj.com/content/58/4/354.3.abstract N2 - Morrison et al examine the effect on questionnaire response of feeding back research findings to participants.1 As authors of the systematic review2 cited in their paper we would like to point out that we had in fact identified eight such randomised trials.3–10 The broad strategy under which these trials had been classified in … ER -