Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSelection bias and its implications for case-control studies: a case study of magnetic field exposure and childhood leukaemia.AuthorsMezei G; Kheifets LPublicationInternational journal of epidemiology, 2006, Vol 35, Issue 2, p397ISSN0300-5771Publication typearticleDOI10.1093/ije/dyi245