We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe Swedish personal identity number: possibilities and pitfalls in healthcare and medical research.AuthorsLudvigsson, Jonas; Otterblad-Olausson, Petra; Pettersson, Birgitta; Ekbom, AndersPublicationEuropean Journal of Epidemiology, 2009, Vol 24, Issue 11, p659ISSN0393-2990Publication typearticleDOI10.1007/s10654-009-9350-y