We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSystematic reviews of health effects of social interventions: 2. Best available evidence: how low should you go?AuthorsOgilvie, D.PublicationJournal of Epidemiology & Community Health, 2005, Vol 59, Issue 10, p886ISSN0143-005xPublication typearticleDOI10.1136/jech.2005.034199