We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHidden in plain sight.AuthorsBresnahan, Michaeline; Guohua Li; Susser, EzraPublicationInternational Journal of Epidemiology, 2009, Vol 38, Issue 5, p1172ISSN0300-5771Publication typearticleDOI10.1093/ije/dyp293