... national identification numbers were linked to the Swedish Central Person Register and the Causes of Death Register The coverage of deaths in the Swedish Central Bureau of Statistics (SCB) registers ... suggested that some psychiatric disorders may contribute to premature death in drug abusers (15) In a Swedish cohort study of drug abusers, low levels of psycho-social functioning measured by Global ... completed the intake procedures with laboratory specimens The cohort was followed up through the Swedish Central Person Register, death certificates and autopsy reports were obtained for all subjects...