We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCommentary: estimating direct and indirect effects-fallible in theory, but in the real world?AuthorsBlakely TPublicationInternational journal of epidemiology, 2002, Vol 31, Issue 1, p166ISSN0300-5771Publication typearticleDOI10.1093/ije/31.1.166