Researching occupational mortality. The problem of comparison
Risk factors for premature death in men 56--60 years old. a prospective study of men born 1914, living in Malmö, Sweden
Trends in blunt abdominal trauma among hospital in-patients. developments in a swedish rural district over 30 years
What part does the occupational environment play in the occurrence of accidents? Views of accident victims, their fellow-workers, safety delegates, and enterprise managements