Ludvigsson, J.F., Otterblad-Olausson, P., Pettersson, B.U. and Ekbom, A. (2009) The Swedish personal identity number: Possibilities and pitfalls in healthcare and medical research. European Journal of Epidemiology, 24, 659-667. http://dx.doi.org/10.1007/s10654-009-9350-y

has been cited by the following article: