We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRandomised by (your) god: robust inference from an observational study designAuthorsSmith, G. D.PublicationJournal of Epidemiology & Community Health, 2006, Vol 60, Issue 5, p382ISSN0143-005xPublication typearticleDOI10.1136/jech.2004.031880