TY - JOUR A1 - Weitoft, G.R. A1 - Gullberg, A. A1 - Hjern, A. A1 - Rosen, M. T1 - Mortality statistics in immigrant research: method for adjusting underestimation of mortality Y1 - 1999 DO - 10.1093/ije/28.4.756 JF - International Journal of Epidemiology VL - 28 IS - 4 ER -